Une campagne orgnanisée par :
- MNHN - Muséum national d'Histoire naturelle
- IRD - Institut de Recherche pour le Développement
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Chef de mission
Date et lieu de départMon Sep 10 00:00:00 CEST 2007
Date et lieu d'arrivéeWed Sep 26 00:00:00 CEST 2007
Navire : Alis
Il s'agit de poursuivre l'exploration du benthos des marges insulaires des îles Salomon en mettant l'accent sur l'analyse de la biodiversité des communautés associées aux bois coulés en termes faunistique, microbiologique, écologique et génétique. Lire la suite
Travaux effectués :
95 opérations ont été réalisées dont 66 traits de chalut à perche et 29 dragages à la drague Warèn. Lire la suite
O’Hara, Timothy D., 2007, Seamounts: centres of endemism or species richness for ophiuroids?, Global Ecology and Biogeography, 16, 6, 720-732
Lozouet, Pierre, Maestrati, Philippe, Héros, Virginie, Cowie, Robert H., Bouchet, Philippe, 2008, A quarter-century of deep-sea malacological exploration in the South and West Pacific: Where do we stand? How far to go?, Mémoires du Muséum national d'Histoire naturelle, 25, 196, 9-40
Résumé [+] [-]The Institut de Recherche pour le Développement (IRD, formerly ORSTOM) and Muséum national d’Histoire naturelle (MNHN) launched in the early 1980s a suite of oceanographic expeditions to sample the deep-water benthos of the tropical South and West Pacific, with emphasis on the 100-1,500 m bathymetric zone. This paper reviews the development of this programme to date. It describes the procedures involved in curating the material collected and the involvement of an international network of taxonomic experts to identify, describe and name the molluscan fauna. So far, 1,028 species of molluscs have been recorded from the New Caledonia Exclusive Economic Zone from depths below 100 m, and 601 of these (58.4%) were new species. An additional 142 new species have been described from other South Pacifi c island groups (Solomon Islands, Vanuatu, Fiji, Wallis and Futuna, Tonga, Marquesas Islands and Austral Islands). However, the hyper-diverse families have essentially remained untouched. Regional differences among island groups are high, and New Caledonia, which has been sampled best, shows several discrete areas of micro-endemism. We speculate that the deep-sea mollusc fauna of New Caledonia may amount to 15-20,000 species, and the corresponding number for the whole South Pacifi c may be in the order of 20-30,000 species.
- Richer de Forges, Bertrand, Ng, Peter K.L., 2008, New records of deep-sea spider crabs of the genus Cyrtomaia Miers, 1886, from the Pacific Ocean, with description of a new species (Crustacea: Decapoda: Brachyura: Majidae), Zootaxa, 1861, 17-28
Richer de Forges, Bertrand, Ng, Peter K.L., 2008, New western Pacific records of Homolidae De Haan, 1839, with descriptions of new species of Homolochunia Doflein, 1904, and Latreillopsis Henderson, 1888 (Crustacea: Decapoda: Brachyura), Zootaxa, 1967, 1-35
Résumé [+] [-]Several species of rarely reported deep-sea homolid crabs are recorded from various locations in the western Pacific: Homola ikedai, H. mieensis, H. coriolisi, Homolomannia occlusa, Homolochunia kullar, H. valdiviae, H. gadaletae, Lamoha superciliosa, L. longipes, L. longirostris, L. inflata and Yaldwynopsis saguili. Two new species are described as new, Homolochunia menezi n. sp., from the Solomon Islands and Latreillopsis trispinosa n. sp. from the Philippines.
Hoyoux, Caroline, Zbinden, Magali, Samadi, Sarah, Gaill, Françoise, Compère, Philippe, 2009, Wood-based diet and gut microflora of a galatheid crab associated with Pacific deep-sea wood falls, Marine Biology, 156, 12, 2421-2439
doi: 10.1007/s00227-009-1266-2 Résumé [+] [-]Wood falls in the deep sea have recently become the focus of studies showing their importance as nutrients on the deep-sea floor. In such environments, Crustaceans constitute numerically the second-largest group after Mollusks. Many questions have arisen regarding their trophic role therein. A careful examination of the feeding appendages, gut contents, and gut lining of Munidopsis andamanica caught with wood falls revealed this species as a truly original detritivorous species using wood and the biofilm covering it as two main food sources. Comparing individuals from other geographic areas from substrates not reported highlights the galatheid crab as specialist of refractory substrates, especially vegetal remains. M. andamanica also exhibits a resident gut microflora consisting of bacteria and fungi possibly involved in the digestion of wood fragments. The results suggest that Crustaceans could be full-fledged actors in the food chains of sunken-wood ecosystems and that feeding habits of some squat lobsters could be different than scavenging.
Richer de Forges, Bertrand, Ng, Peter K.L., 2009, New genera, new species and new records of Indo-West Pacific spider crabs (Crustacea: Brachyura: Epialtidae: Majoidea), Zootaxa, 2025, 1-20
Résumé [+] [-]Three new genera and five new species of epialtid majoid crabs are described from deep water in the western Pacific. Two new species of Oxypleurodon Miers, 1886: O. sanctaeclausi n. sp. and O. annulatum n. sp. are described from the Philippines. New specimens of the rare Oxypleurodon carbunculum (Rathbun, 1906) from the Hawaiian Islands are also recorded. Three new genera are established: Garthinia n. gen. for G. disica n. sp. from the Solomon Islands; Guinotinia n. gen. for G. cordis n. sp. from New Caledonia and G. lehouarnoi n. sp. from Fiji and Tonga; and Laubierinia n. gen. for Sphenocarcinus nodosus Rathbun, 1916, and Rochinia carinata Griffin & Tranter, 1986.
Richer de Forges, Bertrand, Ng, Peter K.L., 2009, On the Majoid genera Oxypleurodon Miers, 1886, and Sphenocarcinus A. Milne-Edwards, 1875 (Crustacea: Brachyura: Epialtidae), with descriptions of two new genera and five new species, The Raffles Bulletin of Zoology, suppl. 20, 247-266
Résumé [+] [-]On the basis of fresh collections from various parts of the western Pacific, three species of majoid crabs previously considered as rare are redescribed and figured: Oxypleurodon bidens (Sakai, 1969), O. auritum (Rathbun, 1916) and O. coralliophilum (Takeda, 1980). Four new species are described: O. boholense from the Philippines, O. barazeri and O. parallelum front the Solomon Islands, and O. alaini from New Caledonia. A new genus and new species, Stegopleurodon planirostrum, is described from New Caledonia and Vanuatu. The two species currently assigned to the allied American genus Sphenocarcinus A. Milne-Edwards, 1875, are re-examined, and a new genus, Rhinocarcinus. is established for the Pacific species Sphenocarcinus agassizi Rathbun, 1893.
ter Poorten, Jan Johan, 2009, The Cardiidae of the Panglao Marine Biodiversity Project 2004 and the Panglao 2005 deep-sea cruise with descriptions of four new species (Bivalvia), Vita Malacologica, 8, 9-96
Résumé [+] [-]Sixty-three Cardiidae species (including Tridacninae) sampled by the 2004 Panglao Marine Biodiversity Project (PMBP) to Panglao, Philippines, and the PANGLAO 2005 Deep-Sea Cruise are described. In addition, Cardiidae species lists of the Philippine Cuming Tour 2005 and AURORA 2007 expedition are provided. Four species are new to science: Fragum grasi spec. nov., Frigidocardium helios spec. nov., F. sancticaroli spec. nov. and Microcardium velatum spec. nov. For the following six species this paper includes the first published records for the Philippines: Acrosterigma dianthinum (Melvill & Standen, 1899), F. torresi (E.A. Smith, 1885), Fulvia (Laevifulvia) subquadrata Vidal & Kirkendale, 2007, Microfragum erugatum (Tate, 1889), M. subfestivum (Vidal & Kirkendale, 2007) and Vasticardium sewelli (Prashad, 1932). Indo-Pacific range extensions for several other species are given. Ecological data support assignment of Afrocardium to Orthocardiinae. Cardium (Ctenocardia) victor Angas, 1872 and Cardium bomasense Martin, 1917 are transferred to Freneixicardia, the former being the sole extant representative of the genus, and of which Cardium (Trachycardium) hulshofi Pannekoek, 1936 is a new synonym. Based on shell morphology, it is shown that the current variously adopted generic assignments of Cardium lobulatum Deshayes, 1855, C. attenuatum G.B. Sowerby 2nd, 1841, C. biradiatum Bruguière, 1789 and C. multipunctatum G.B. Sowerby 1st in Broderip & Sowerby 2nd, 1833 are unsatisfactory. As a consequence, the alleged Indo-Pacific presence of the genus Laevicardium is questionable. Fulvia (Laevifulvia) imperfecta Vidal & Kirkendale, 2007 is a new synonym of “Laevicardium” lobulatum Deshayes, 1855. Habitat preferences of the taxa encountered during PMBP 2004 are defined, based on four main macro-habitat categories. SEM photos, showing the early ontogenetic stages, demonstrate markedly allomorphic growth of some taxa. Description of the process of development to the terminal shell shape provides a more complete species concept and rigorous species delimitation.
Vilvens, Claude, 2009, New species and new records of Calliostomatidae (Gastropoda: Trochoidea) from New Caledonia and Solomon Islands, Novapex, 10, 4, 125-163
Résumé [+] [-]New records of 16 known Calliostomatidae species from New Caledonia and Solomon Islands area are listed, extending the distribution area of some of them. Seven new species are described and compared with similar species: Calliostoma (Calliostoma) cochlias n. sp., C. (Fautor) aprosceptum n. sp., C. (F.) diaphoros n. sp., C. (Benthastelena) hexalyssion n. sp., C. (B.) malaita n. sp., C. (Ampullotrochus) tropis n. sp., C. (A.) aporia n. sp. A list of the Calliostomatidae of the Indo-Pacific area is provided with their distribution.
Arabi, Juliette, Cruaud, Corinne, Couloux, Arnaud, Hassanin, Alexandre, 2010, Studying sources of incongruence in arthropod molecular phylogenies: Sea spiders (Pycnogonida) as a case study, Comptes Rendus Biologies, 333, 5, 438-453
doi: 10.1016/j.crvi.2010.01.018 Résumé [+] [-]In this report, we analyze the phylogeny of Pycnogonida using the three nuclear and three mitochondrial markers currently sequenced for studying inter- and intrafamilial relationships within Arthropoda: 18S and 28S rRNA genes, Histone H3, cytochrome c oxidase subunit 1 (CO1), 12S and 16S rRNA genes. We identify several problems in previous studies, due to the use of inappropriate sequences (taxonomic misidentification, DNA contamination, sequencing errors, missing data) or taxa (outgroup choice). Our analyses show that most markers are not powerful to study the phylogeny of sea spiders. The results suggest however a recent diversification of the group (Mesozoic rather than Paleozoic) and the early divergence of Austrodecidae, followed by Colossendeidae. Pycnogonidae and Rhynchothoracidae. Except Ammotheidae and Callipallenidae, all other families were recovered as monophyletic. Analyses of synonymous sites in CO1 sequences reveal an extreme heterogeneity of nucleotide composition within sea spiders, as six unrelated species show a reverse strand-specific bias. We therefore suggest that several independent reversals of asymmetric mutational constraints occurred during the evolution of Pycnogonida, as a consequence of genomic inversions involving either the control region or a fragment containing the CO1 gene. These hypotheses are supported by the comparison of two complete mitochondrial genomes of sea spiders (Achelia bituberculata and Nymphon gracile) with that of Limulus. (C) 2010 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
Castro P., 2010, A new species and new records of palicoid crabs (Crustacea, Decapoda, Brachyura, Palicoidea, Palicidae, Crossotonotidae) from the Indo-West Pacific region, Zoosystema, 32, 1, 73-86
- Lorion, Julien, Samadi, Sarah, 2010, Species richness, sampling bias and phylogenetics in deep-sea mussels, Cahiers de Biologie marine, 51, 435-439
Puillandre, Nicolas, Sysoev, Alexander V., Olivera, Baldomero M., Couloux, Arnaud, Bouchet, Philippe, 2010, Loss of planktotrophy and speciation: geographical fragmentation in the deep-water gastropod genus Bathytoma (Gastropoda, Conoidea) in the western Pacific, Systematics and Biodiversity, 8, 3, 371-394
doi: 10.1080/14772001003748709 Résumé [+] [-]Dispersal capabilities are crucial in how speciation patterns are determined in marine invertebrates. Species possessing a long-living planktonic larva apparently have a dispersal advantage over those with non-planktotrophic development, and their distant populations may exchange genetic material, maintaining a broad geographical range for the species. Recent species of the gastropod genus Bathytoma (Conoidea) are all characterized by non-planktotrophic development, having most probably lost a free-swimming larva in the pre-Pliocene, as Miocene fossils have protoconchs indicating planktotrophic larval development. All have a bathyal distribution (100–1500 m), which implies that their capability for direct expansion on the bottom is restricted by both deep-sea basins and shallow-water areas, especially in insular West and South-West Indo-Pacific. Therefore, it can be hypothesized that Bathytoma populations should represent numerous, mostly allopatric taxa restricted to a single or contiguous island groups. We tested this hypothesis using molecular and morphological characters independently. One hundred and thirty-eight specimens from the Philippines, Solomons, Vanuatu, and the Coral Sea were sequenced for one mitochondrial (COI) and one nuclear (ITS2) gene, and 14 operational molecular units were recognized. When these molecular units are overlaid over shell characters, 13 species (11 unnamed) and one form of uncertain status are recognized: three occur in the Philippines, six in the Solomons and one in New Caledonia. Broad distributions (inter-archipelagic) are uncommon (three species). On the whole, the phylogeographic pattern of the diversity in the genus is rather complex and probably also reflects processes of sympatric and fine-scale allopatric speciation, and local extinctions. The eleven new species are described and named.
Puillandre N., Cruaud C., Kantor Y., 2010, Cryptic species in Gemmuloborsonia (Gastropoda: Conoidea), Journal of Molluscan Studies, 76, 1, 11-23
doi: 10.1093/mollus/eyp042 Résumé [+] [-]During a broad molecular taxonomic and phylogenetic survey of the gastropod superfamily Conoidea, 80 specimens of several species of the genus Gemmuloborsonia were sequenced for the cytochrome c oxidase subunit I gene. The genus, originally established for fossil species from the Plio-Pleistocene of the Philippines, now includes living species from bathyal depths of the Indo-Pacific Oceans. The molecular data demonstrated the presence of five separate entities, while only four ‘morphospecies’ could be isolated by visual examination. The two largest groups, representing separate species from the molecular data, were impossible to distinguish with certainty using shell or anatomical characters. To examine shell morphology in more detail the shape of the last whorl was analysed by Fourier analysis, and the Fourier coordinates were used in canonical variate analysis. The majority of the specimens were separated into two groups, but 21.6% of the specimens were impossible to distinguish by morphological characters. One of these two forms was attributed to the known species Gemmuloborsonia moosai Sysoev & Bouchet, 1996, while the other is described as a new species Gemmuloborsonia clandestina. Bathytoma colorata Sysoev & Bouchet, 2001 is transferred to Gemmuloborsonia on the basis of molecular analysis and radular morphology. Another species, represented in our material by a single specimen, remains undescribed.
Rowden, Ashley A., Schnabel, Kareen E., Schlacher, Thomas A., Macpherson, Enrique, Ahyong, Shane T., Richer de Forges, Bertrand, 2010, Squat lobster assemblages on seamounts differ from some, but not all, deep-sea habitats of comparable depth: Squat lobster assemblages of deep-sea habits, Marine Ecology, 31, 63-83
doi: 10.1111/j.1439-0485.2010.00374.x Résumé [+] [-]This study was carried out to test the hypothesis that benthic communities on seamounts are distinct from those of other deep-sea habitats at comparable depths. Analysis of the squat lobster fauna of deep-sea habitats in the Southwestern Pacific revealed that the species composition of assemblages on seamounts was not statistically dissimilar from assemblages on slope and plateau habitat at comparable depths. However, compositional differences were observed between seamount and rise and ridge habitat. Differences in assemblage composition between seamount and ridge habitat were statistically significant for two of the four ridge systems examined. Assemblages on seamounts that were distinct from non-seamount ridge habitat were typically dominated by small-bodied species with an abbreviated larval stage. Various environmental variables were correlated with the observed assemblage patterns observed; depth-related variables may account for differences between seamount and rise assemblages, whilst differences in POC flux likely play a role in determining the assemblage compositional patterns between seamount and non-seamount ridge habitat. Extensive pre-analysis data treatment was required to ensure that multivariate analyses of assemblage data from seamount and non-seamount habitats were robust. Our results confirm the findings of recent studies that found no compositional differences in assemblages from seamount and slope habitats, and support the idea that dissimilarity between seamount assemblages on different ridge systems increases with geographic distance. Further research will be required before the generality of these findings can be confirmed.
- Samadi, Sarah, Laure, CORBARI, Lorion, Julien, Hourdez, Stéphanie, Haga, Takuma, Dupont, Joëlle, Boisselier, Marie-Catherine, Richer de Forges, Bertrand, 2010, Biodiversity of deep-sea organismes associated with sunken-wood ot other organic remains sampled in the tropical Indo-pacific, Cahiers de Biologie Marine, 51, 459-466
- Tavares, Marco, Cleva, Régis, 2010, Trichopeltariidae (Crustacea, Decapoda, Brachyura), a new family and superfamily of eubrachyuran crabs with description of one new genus and five new species, Papéis Avulsos de Zoologia (São Paulo), 50, 9, 97-157
Modica, Maria Vittoria, Bouchet, Philippe, Cruaud, Corinne, Utge, José, Oliverio, Marco, 2011, Molecular phylogeny of the nutmeg shells (Neogastropoda, Cancellariidae), Molecular Phylogenetics and Evolution, 59, 3, 685-697
doi: 10.1016/j.ympev.2011.03.022 Résumé [+] [-]Cancellariidae, or nutmeg shells, is a family of marine gastropods that feed on the body fluids and the egg cases of marine animals. The 300 or so living species are distributed worldwide, mostly on soft bottoms, from intertidal to depths of about 1000 m. Although they are a key group for the understanding of neogastropod evolution, they are still poorly known in terms of anatomy, ecology and systematics. This paper reports the first mitochondrial multi-gene phylogenetic hypothesis for the group. Data were collected for 50 morphospecies, representative of 22 genera belonging to the three currently recognized subfamilies. Sequences from three genes (12S, 16S and COI) were analyzed with Maximum Likelihood analysis and Bayesian Inference, both as single gene datasets and in two partitioned concatenated alignment. Largely consistent topologies were obtained and discussed with respect to the traditional subfamilial arrangements. The obtained phylogenetic trees were also used to produce Robinson-Foulds supertrees. Our results confirmed the monophyly of the subfamily Plesiotritoninae, while Admetinae and Cancellariinae, as currently conceived, were retrieved as polyphyletic. Based on our findings we propose changes to the systematic arrangement of these subfamilies. At a lower taxonomic rank, our results highlighted the rampant homoplasy of many characters traditionally used to segregate genera, and thus the need of a critical re-evaluation of the contents of many genera (e.g. Nipponaphera, Merica, Sydaphera, Bivetia), the monophyly of which was not recovered.
O'Hara, Timothy D., Rowden, Ashley A., Bax, Nicholas J., 2011, A Southern Hemisphere Bathyal Fauna Is Distributed in Latitudinal Bands, Current Biology, 21, 3, 226-230
doi: 10.1016/j.cub.2011.01.002 Résumé [+] [-]The large-scale spatial distribution of seafloor fauna is still poorly understood. In particular, the bathyal zone has been identified as the key depth stratum requiring further macro- ecological research [ 1 ], particularly in the Southern Hemi- sphere [ 2 ]. Here we analyze a large biological data set derived from 295 research expeditions, across an equator- to-pole sector of the Indian, Pacific, and Southern oceans, to show that the bathyal ophiuroid fauna is distributed in three broad latitudinal bands and not primarily differentiated by oceanic basins as previously assumed. Adjacent faunas form transitional ecoclines rather than biogeographical breaks. This pattern is similar to that in shallow water despite the order-of-magnitude reduction in the variability of environmental parameters at bathyal depths. A reliable biogeography is fundamental to establishing a representative network of marine reserves across the world’s oceans [1, 3].
Fedosov, Alexander E., Puillandre, Nicolas, 2012, Phylogeny and taxonomy of the Kermia–Pseudodaphnella (Mollusca: Gastropoda: Raphitomidae) genus complex: a remarkable radiation via diversification of larval development, Systematics and Biodiversity, 10, 4, 447-477
doi: 10.1080/14772000.2012.753137 Résumé [+] [-]Conoidean gastropods of the genera Kermia, Oliver, and Pseudodaphnella Boettger, (Raphitomidae) are common in shallow-water habitats of the tropical Indo-Pacific. They form a distinct morphologically homogeneous complex, easily recognizable by sculpture and colour pattern, encompassing around 80 described species. Examination of a vast material accumulated during recent expeditions in various regions of the Indo-Pacific revealed a number of undescribed species of this complex. Our material included 32 morphospecies available for molecular phylogenetic study; phylogenetic reconstruction based on the COI gene confirmed the species hypotheses based on morphological characters. A total of 18 terminal taxa were attributed to known species and 14 were identified as new species. Of these, 12 species, for which sufficient material was available, are described. Phylogenetic analysis indicated close relationships of the genera Kermia and Pseudodaphnella with members of some other conoidean genera (specifically Exomilus Hedley, , Paramontana Laseron, and Thetidos Hedley, ) and taxonomic implications of the data obtained are discussed. To test the taxonomic value of protoconch and review its wide use in classification of Conoidea, the evolution of the protoconch morphology was reconstructed using a phylogenetic tree. It has revealed that protoconchs of different types may appear in closely related species, sometimes hardly distinguishable by teleoconch morphology. A switch from planctotrophic to non-planctotrophic mode of development occurred at least four times in the evolutionary history of the Kermia Pseudodaphnella complex, indicating high developmental plasticity of the group. Its role in radiation of the Kermia Pseudodaphnella complex and applications for use of protoconch morphology in the classification of Conoidea are discussed.
Houart, Roland, Héros, Virginie, 2012, New species of Muricidae (Gastropoda) and additional or noteworthy records from the western Pacific, Zoosystema, 34, 1, 21-37
doi: 10.5252/z2012n1a2 Résumé [+] [-]Fourteen species of Muricidae referable to the (sub)genera Promurex Ponder & Vokes, 1988, Pygmaepterys Vokes, 1978, Murexsul lredale, 1915, Pazinotus Vokes, 1970, Prototyphis Ponder, 1972, Ponderia Houart, 1986, Gemixystus Iredale, 1929, Leptotrophon Houart, 1995 and Scabrotrophon McLean, 1996 are reported from New Caledonia, the Solomon Islands and Taiwan, to depths down to 1750 m. Five new species are described: Favartia (Pygmaepterys) lifouensis n. sp. from New Caledonia with range extension to the Solomon Islands, Pazinotus chionodes n. sp. and Gemixystus calcareus n. sp. from New Caledonia, Leptotrophon wareni n. sp. from the Solomon Islands and Favartia (Pygmaepterys) circinata n. sp. from Taiwan.
Hoyoux, Caroline, Zbinden, Magali, Samadi, Sarah, Gaill, Françoise, Compère, Philippe, 2012, Diet and gut microorganisms of Munidopsis squat lobsters associated with natural woods and mesh-enclosed substrates in the deep South Pacific, Marine Biology Research, 8, 1, 28-47
doi: 10.1080/17451000.2011.605144 Résumé [+] [-]Squat lobsters of the deep-sea genus Munidopsis are among the most regularly reported crustaceans associated with deep-sea wood falls. They are often thought to indirectly use these substrates for preying or scavenging wood-associated molluscs or annelids, albeit the species M. andamanica has been recently highlighted as a xylophagous specialist. In this work, we examined the feeding appendages, gut contents and gut lining of M. nitida, M. bispinoculata and M. pilosa specimens from natural sunken woods and compared them with specimens of the same species having survived and grown on different hard-to-digest substrates (i.e. woods, turtle shells and whale bones) experimentally submerged in the deep South Pacific. In both cases, all three species directly ingest large wood fragments deeply degraded by microorganisms, but M. nitida also feeds on experimentally submerged whale bone and turtle shell fragments. Munidopsis nitida is also the only species to host a resident gut microflora, but the bacterial morphotypes vary according to the ingested substrate. The results suggest that the three species are most probably opportunistic, bacterivorous detritivores and that M. nitida could be at the beginning of an evolutionary process towards xylophagy within the genus Munidopsis.
Kantor, Yuri I., Puillandre, Nicolas, Rivasseau, Audrey, Bouchet, Philippe, 2012, Neither a buccinid nor a turrid: a new family of deep-sea snails for Belomitra P. Fischer, 1883 (Mollusca, Neogastropoda) with a review of recent Indo-Pacific species, Zootaxa, 3496, 1-64
Résumé [+] [-]The new family Belomitridae is established for the deep-water buccinoid genus Belomitra P. Fischer, 1883, based on morphological (shell and radulae) and molecular evidence. The rachiglossate radula is uniquely characterized by a multicuspid rachidian and lateral teeth with very long narrow bases and two small cusps closer to tip. Molecular analysis of a reduced set of Buccinoidea did not resolve the group as a clade, but shows that Belomitridae forms a well supported clade within Buccinoidea. Species of Belomitra have adult sizes in the 7-53 mm range; they live in deep water, mostly in the 500-2,000 meters range, at low and mid latitudes. Eleven valid species described from the Indo-Pacific were originally named in the families Buccinidae, Columbellidae, Cancellariidae, Volutidae, and Turridae. Fourteen new species are described: Belomitra nesiotica n. sp. (Society Islands to Tonga and Fiji in 580-830 m), B. bouteti n. sp. (Society and Tuamotu Islands in 430-830 m), B. subula n. sp. (Solomon Islands to Vanuatu in 760-1110 m), B. caudata n. sp. (Sulu Sea in 2300 m), B. gymnobela n. sp. (South Pacific, eastern Indonesia and Philippines in 780-2040 m), B. hypsomitra n. sp. (Fiji in 392-407 m), B. brachymitra n. sp. (Fiji in 395-540 m), B. comitas n. sp. (Madagascar and Philippines in 1075-1110 m), B. minutula (Coral Sea in 490 m), B. granulata n. sp. (New Caledonia in 105-860 m), B. reticulata n. sp. (Tonga and Fiji to New Caledonia in 395-656 m), B. decapitata n. sp. (Indian Ocean and New Caledonia in 3680-4400 m), B. admete n. sp. (off Sri Lanka in 2540 m), and B. radula n. sp. (Madagascar in 367-488 m).
Puillandre, Nicolas, Modica, Maria-Victoria, Zhan, Y., Sirovich, L., Boisselier, Marie-Catherine, Cruaud, Corinne, Holford, Mandë, Samadi, Sarah, 2012, Large-scale species delimitation method for hyperdiverse groups: LARGE-SCALE SPECIES DELIMITATION, Molecular Ecology, 21, 11, 2671-2691
doi: 10.1111/j.1365-294X.2012.05559.x Résumé [+] [-]Accelerating the description of biodiversity is a major challenge as extinction rates increase. Integrative taxonomy combining molecular, morphological, ecological and geographical data is seen as the best route to reliably identify species. Classic molluscan taxonomic methodology proposes primary species hypotheses (PSHs) based on shell morphology. However, in hyperdiverse groups, such as the molluscan family Turridae, where most of the species remain unknown and for which homoplasy and plasticity of morphological characters is common, shell-based PSHs can be arduous. A four-pronged approach was employed to generate robust species hypotheses of a 1000 specimen South-West Pacific Turridae data set in which: (i) analysis of COI DNA Barcode gene is coupled with (ii) species delimitation tools GMYC (General Mixed Yule Coalescence Method) and ABGD (Automatic Barcode Gap Discovery) to propose PSHs that are then (iii) visualized using Klee diagrams and (iv) evaluated with additional evidence, such as nuclear gene rRNA 28S, morphological characters, geographical and bathymetrical distribution to determine conclusive secondary species hypotheses (SSHs). The integrative taxonomy approach applied identified 87 Turridae species, more than doubling the amount previously known in the Gemmula genus. In contrast to a predominantly shell-based morphological approach, which over the last 30 years proposed only 13 new species names for the Turridae genus Gemmula, the integrative approach described here identified 27 novel species hypotheses not linked to available species names in the literature. The formalized strategy applied here outlines an effective and reproducible protocol for large-scale species delimitation of hyperdiverse groups.
Bamber, Roger N., 2013, Deep-water Pycnogonida from recent cruises to Papua New Guinea and Melanesia, with an appendix of new records from Polynesia and descriptions of five new species, Zoosystema, 35, 2, 195-214
doi: 10.5252/z2013n2a5 Résumé [+] [-]Deep-sea pycnogonid material collected during the N/O Alis Campagnes SalomonBOA 3 to the Solomon Islands in 2007, Terasses to New Caledonia in 2008, Tarasoc to the Tuamoto Archipelago and Tarava Seamounts in 2009, Biopapua to Papua New Guinea in 2010, and Exbodi to New Caledonia in 2011, has been analyzed. This includes the first collection of deep-sea pycnogonids from the waters of Papua New Guinea. The material includes 71 specimens from 14 species in seven genera. Most are frequently-recorded species of the genus Colossendeis, but there are also four species new to science, Ascorhynchus quartogibbus n. sp., Cilunculus roni n. sp., Phoxichilidium alis n. sp., Pycnogonum papua n. sp. A specimen from New Caledonia, identified by Stock in 1997 as Pycnogonum occa Loman, 1908, but not figured or described, has been re-examined, and found also to be a distinct species, Pycnogonum staplesi n. sp.
Bonfitto, Antonio, Morassi, Mauro, 2013, New Indo-Pacific species of Rimosodaphnella Cossmann, 1916 (Gastropoda: Conoidea): a genus of probable Tethyan origin, Molluscan Research, 33, 4, 230-236
doi: 10.1080/13235818.2013.801332 Résumé [+] [-]The genus Rimosodaphnella Cossmann, 1916 was proposed for Murex textile Brocchi, 1814, a European Miocene– Pliocene species, and is sometimes thought to be represented in the recent fauna by three Atlantic species. Here, we assign only one Atlantic species, Pleurotoma (Drillia) morra Dall, 1881 distributed from North Carolina to Southern Brazil, to the genus and introduce three new species of Rimosodaphnella from the Indo-Pacific region. One, Rimosodaphnella solomonensis, n. sp. from the Solomon Islands, while two others, Rimosodaphnella tenuipurpurata n. sp. and Rimosodaphnella brunneolineata n. sp., from the Philippines Islands; these findings suggest that the genus may be well represented in the Indo-Pacific region.
Dijkstra, Henk H., Maestrati, Philippe, 2013, New species and new records of bathyal living Pectinoidea (Bivalvia: Propeamussiidae: Pectinidae) from the Southwest Pacific, Zoosystema, 35, 4, 469-478
doi: 10.5252/z2013n4a1 Résumé [+] [-]Nineteen species of Pectinoidea (16 Propeamussiidae, 3 Pectinidae) are herein listed. All species from the Solomon Islands (9 species), and New Caledonia (Norfolk Ridge , main island of New Caledonia , Grand Passage , Coral Sea ) are new records. Two Propeamussiidae species are new to science: Parvamussium orbiculatum n. sp. (Solomon Islands and Coral Sea) and Parvamussium perspicuum n. sp. (Vanuatu). One pectinid species from Vanuatu (Juxtamusium sp.) will be described later, when more material becomes available.
- Hemery, Lenaïg G., Roux, MICHEL, Ameziane, Nadia, Eleaume, Marc, 2013, High-resolution crinoid phyletic inter-relationships derived from molecular data, Cahiers de Biologie marine, 54, 511-523
- Houart, Roland, 2013, Revised classification of a group of small species of Cytharomorula Kuroda, 1953 (Muricidae: Ergalataxinae) from the Indo-West Pacific, Novapex, 14, 2, 25-34
Ma, Ka Yan, Chu, Ka Hou, Ahyong, Shane T., Chan, Tin‐Yam, Corbari, Laure, Ng, Peter K.L., 2013, The deep-sea spiny lobster genus Puerulus Ortmann, 1897 (Crustacea, Decapoda, Palinuridae), with descriptions of five new species, Mémoires du Muséum national d'Histoire naturelle, 27, 204, 191-230
Résumé [+] [-]Recent French deep-sea expeditions in the Indo-West Pacific resulted in the collection of abundant material of the deep-sea lobster genus Puerulus Ortmann, 1897 (Palinuridae). Difficulties in identification necessitated a generic revision and as a result, five new species are described, all of which are similar to P. angulatus (Bate, 1888). Puerulus angulatus was thought to have a wide distribution from eastern Africa to Marquesas Islands, but is now restricted to the western Pacific, from Japan to Australia. Of the five new species, P. gibbosus n. sp. is found in eastern Africa, P. mesodontus n. sp. from Japan to Fiji, P. richeri n. sp. from the New Caledonia to Marquesas Islands, while P. sericus n. sp. and P. quadridentis n. sp. mainly occur around New Caledonia. Of the other three previously described species, the distribution of P. velutinus Holthuis, 1963, is extended to Fiji, while P. sewelli Ramadan, 1938, and P. carinatus Borradaile, 1910, are still only known from the northern and western parts of the Indian Ocean, respectively. COI gene sequence differences support the morphological species distinctions.
Richer de Forges, Bertrand, Ahyong, Shane T., Chan, Tin‐Yam, Corbari, Laure, Ng, Peter K.L., 2013, On a collection of spider crabs of the genera Rochinia A. Milne-Edwards, 1875 and Naxioides A. Milne-Edwards, 1865 (Crustacea, Brachyura, Majoidea, Epialtidae) from Mozambique Channel, Solomon, Vanuatu and Philippine Islands, with description of a new species of Rochinia, Mémoires du Muséum national d'Histoire naturelle, 27, 204, 467-483
Résumé [+] [-]The study of a small collection of deep-water majoid crabs of the family Epialtidae brings some new data on the geographic distribution of species in the genus Rochinia A. Milne-Edwards, 1875 (R. pulchra (Miers, 1886), R. fultoni (Grant, 1905), R. aff. brevirostris (Doflein, 1904), R. aff. soela Griffin & Tranter, 1986, R. kotakae Takeda, 2001) and Naxioides taurus (Pocock, 1890). One new species, Rochinia boucheti n. sp., is described which differs from all congeners by the presence of numerous small tubercles on the carapace and its relatively short rostral spines. Males of R. kotakae are described for the first time.
Roux, MICHEL, Eléaume, Marc, Hemery, Lenaïg G., Améziane, Nadia, 2013, When morphology meets molecular data in crinoid phylogeny: a challenge, Cahiers de Biologie marine, 54, 541-548
Résumé [+] [-]The extant crinoid fauna results from more than 485 Myr of evolution (from Early Ordovician). Detailed morphological studies on extant crinoids document large intraspecific variations, strong changes through ontogeny with various mosaics of heterochronic development, and adaptive characters which depend on environment, mainly hydrodynamics and food supply. The importance of paedomorphy and morphological convergences (homoplasies) in crinoid evolution is confirmed by studies using DNA markers, and makes difficult the use of cladistic methods of phylogenetic reconstructions. Many clades of extant crinoids based on external skeleton morphology are polyphyletic. Using the hyocrinids and a recent extensive molecular phylogeny of the extant crinoids, we show that the molecular approach, when coupled with detailed ontogenetic analyses on a large sample of specimens and taxa, may help understand the evolutionnary trends within a given group of organisms. Purely molecular or phenotypic analyses produce contrasting results because these analyses work at scales that are separated by a strong gap. We propose a deep reappraisal of the relationships between extant and fossil taxa using the concept of onto phylogeny which rejects the classical separation between ontogeny and phylogeny and argues that natural selection acts at every level of integration of the organism from DNA, cells, tissues, to the individuals and populations.
Kool, Hugo H., Galindo, Lee Ann, 2014, Description and Molecular Characterization of Six New Species of Nassarius (Gastropoda, Nassariidae) from the Western Pacific Ocean, American Malacological Bulletin, 32, 2, 147-164
doi: 10.4003/006.032.0202 Résumé [+] [-]Six new species of the genus Nassarius Duméril, 1805 are described, based on material collected from the Coral Triangle and the South Pacific. We combine traditional morphology-based descriptions with the molecular (Cytochrome c oxidase I - COI) signature of the new species. New species are: Nassarius ocellatus sp. Nov. (Philippines to Vanuatu), Nassarius houbricki sp. Nov. (Solomon Islands to Queensland and Tonga), Nassarius radians sp. Nov. (Philippines to Vanuatu), Nassarius vanuatuensis sp. Nov. (Vanuatu), Nassarius velvetosus sp. Nov. (Western Australia to Fiji) and Nassarius martinezi sp. Nov. (Solomon Islands to Tonga).
Mah, Christopher, Neill, Kate, Eléaume, Marc, Foltz, David, 2014, New species and global revision of Hippasteria (Hippasterinae: Goniasteridae; Asteroidea; Echinodermata): Hippasteria revision, Zoological Journal of the Linnean Society, 171, 2, 422-456
doi: 10.1111/zoj.12131 Résumé [+] [-]A molecular phylogenetic analysis of the genus Hippasteria, rooted against Evoplosoma, has provided the basis for taxonomic revisions and provided insight into the biogeography of a widely occurring, cold-water group of corallivorous asteroids. Herein, we describe three new species, Hippasteria mcknighti sp. nov., Hippasteria muscipula sp. nov., and Hippasteria tiburoni sp. nov., from deep-water settings. Additionally, in light of taxonomic changes, we further elaborate on distribution data for multiple species. Range extensions for Hippasteria phrygiana and Hippasteria californica are included. Discussions about biogeography, cladogenic events, and morphology are also presented.(c) 2014 The Linnean Society of London
Puillandre, Nicolas, Bouchet, Philippe, Duda, T.F., Kauferstein, S., Kohn, A.J., Olivera, Baldomero M., Watkins, Maren, Meyer, C., 2014, Molecular phylogeny and evolution of the cone snails (Gastropoda, Conoidea), Molecular Phylogenetics and Evolution, 78, 290-303
doi: 10.1016/j.ympev.2014.05.023 Résumé [+] [-]We present a large-scale molecular phylogeny that includes 320 of the 761 recognized valid species of the cone snails (Conus), one of the most diverse groups of marine molluscs, based on three mitochondrial genes (COI, 16S rDNA and 12S rDNA). This is the first phylogeny of the taxon to employ concatenated sequences of several genes, and it includes more than twice as many species as the last published molecular phylogeny of the entire group nearly a decade ago. Most of the numerous molecular phylogenies published during the last 15 years are limited to rather small fractions of its species diversity. Bayesian and maximum likelihood analyses are mostly congruent and confirm the presence of three previously reported highly divergent lineages among cone snails, and one identified here using molecular data. About 85% of the species cluster in the single Large Major Clade; the others are divided between the Small Major Clade (12%), the Conus californicus lineage (one species), and a newly defined clade (3%). We also define several subclades within the Large and Small major clades, but most of their relationships remain poorly supported. To illustrate the usefulness of molecular phylogenies in addressing specific evolutionary questions, we analyse the evolution of the diet, the biogeography and the toxins of cone snails. All cone snails whose feeding biology is known inject venom into large prey animals and swallow them whole. Predation on polychaete worms is inferred as the ancestral state, and diet shifts to molluscs and fishes occurred rarely. The ancestor of cone snails probably originated from the Indo-Pacific; rather few colonisations of other biogeographic provinces have probably occurred. A new classification of the Conidae, based on the molecular phylogeny, is published in an accompanying paper.
Taylor, John D., Glover, Emily A., Williams, Suzanne T., 2014, Diversification of chemosymbiotic bivalves: origins and relationships of deeper water Lucinidae, Biological Journal of the Linnean Society, 111, 2, 401–420
doi: 10.1111/bij.12208 Résumé [+] [-]Although species of the chemosymbiotic bivalve family Lucinidae are often diverse and abundant in shallow water habitats such as seagrass beds, new discoveries show that the family is equally speciose at slope and bathyal depths, particularly in the tropics, with records down to 2500m. New molecular analyses including species from habitats down to 2000m indicate that these cluster in four of seven recognized subfamilies: Leucosphaerinae, Myrteinae, Codakiinae, and Lucininae, with none of these comprising exclusively deep-water species. Amongst the Leucosphaerinae, Alucinoma, Epidulcina, Dulcina, and Myrtina live mainly at depths greater than 200m. Most Myrteinae inhabit water depths below 100m, including Myrtea, Notomyrtea, Gloverina, and Elliptiolucina species. In the Codakinae, only the Lucinoma clade live in deep water; Codakia and Ctena clades are largely restricted to shallow water. Lucininae are the most speciose of the subfamilies but only four species analyzed, Troendleina sp., Epicodakia' falkandica, Bathyaustriella thionipta, and Cardiolucina quadrata, occur at depths greater than 200m. Our results indicate that slope and bathyal lucinids have several and independent originations from different clades with a notable increased diversity in Leucosphaerinae and Myrteinae. Some of the deep-water lucinids (e.g. Elliptiolucina, Dulcina, and Gloverina) have morphologies not seen in shallow water species, strongly suggesting speciation and radiation in these environments. By contrast, C.quadrata clusters with a group of shallow water congenors. Although not well investigated, offshore lucinids are usually found at sites of organic enrichment, including sunken vegetation, oxygen minimum zones, hydrocarbon seeps, and sedimented hydrothermal vents. The association of lucinids with hydrocarbon seeps is better understood and has been traced in the fossil record to the late Jurassic with successions of genera recognized; Lucinoma species are particularly prominent from the Oligocene to present day.(c) 2013 The Linnean Society of London, Biological Journal of the Linnean Society, 2014, 111, 401-420.
Vilvens, Claude, 2014, New species and new records of Calliostomatidae (Gastropoda: Trochoidea) from eastern and central Indo-Pacific, Novapex, 15, 2, 37-48
Résumé [+] [-]New records of live known Calliostomatidae species from eastern and central tropical Pacifie are listed, extending the distribution area of some of them. Four new species are described and compared with similar species: Calliostoma haapaiensis n. sp., C. vaubanoides n. sp., C. mesemorinon n. sp. And C. polysarkon n. sp.
Aznar-Cormano, Laetitia, Brisset, J., Chan, Tin‐Yam, Corbari, Laure, Puillandre, Nicolas, Utgé, José, Zbinden, M., Zuccon, D., Samadi, S., 2015, An improved taxonomic sampling is a necessary but not sufficient condition for resolving inter-families relationships in Caridean decapods, Genetica, 143, 2, 195-205
doi: 10.1007/s10709-014-9807-0 Résumé [+] [-]During the past decade, a large number of multi-gene analyses aimed at resolving the phylogeneticrelationships within Decapoda. However relationships among families, and even among sub-families, remain poorly defined. Most analyses used an incomplete and opportunistic sampling of species, but also an incomplete and opportunistic gene selection among those available for Decapoda. Here we test in the Caridea if improving the taxonomic coverage following the hierarchical scheme of the classification, as it is currently accepted, provides a better phylogenetic resolution for the inter-families relationships. The rich collections of the Muse´um National d’Histoire Naturelle de Paris are used for sampling as far as possible at least two species of two different genera for each family or subfamily. All potential markers are tested over this sampling. For some coding genes the amplification success varies greatly among taxa and the phylogenetic signal is highly saturated. This result probably explains the taxon-heterogeneity among previously published studies. The analysis is thus restricted to the genes homogeneously amplified over the whole sampling. Thanks to the taxonomic sampling scheme the monophyly of most families is confirmed. However the genes commonly used in Decapoda appear non-adapted for clarifying inter-families relationships, which remain poorly resolved. Genome-wide analyses, like transcriptome-based exon capture facilitated by the new generation sequencing methods might provide a sounder approach to resolve deep and rapid radiations like the Caridea.
Fedosov, Alexander, Puillandre, Nicolas, Kantor, Yuri, Bouchet, Philippe, 2015, Phylogeny and systematics of mitriform gastropods (Mollusca: Gastropoda: Neogastropoda): Phylogeny of Mitriform Gastropods, Zoological Journal of the Linnean Society, 175, 2, 336-359
doi: 10.1111/zoj.12278 Résumé [+] [-]With about 800 Recent species, ‘miters’ are a widely distributed group of tropical and subtropical gastropods that are most diverse in the Indo-West Pacific. They include the two families Mitridae and Costellariidae, similar in shell morphology and traditionally treated as close relatives. Some genera of deep-water Ptychatractidae and Volutomitridae are close to miters in shell morphology, and the term ‘mitriform gastropods’ has been introduced to refer to Mitridae, Costellariidae, and this assortment of convergent forms. The present study aimed at the reconstruction of phylogenetic relationships of mitriform gastropods based on representative taxon sampling. Four genetic markers [cytochrome c oxidase subunit I (COI), 16S and 12S rRNA mitochondrial genes, and H3 (Histone 3) nuclear gene] were sequenced for over 90 species in 20 genera, and the molecular data set was supplemented by studies of radula morphology. Our analysis recovered Mitridae as a monophyletic group, whereas the genus Mitra was found to be polyphyletic. Of 42 mitrid species included in the analysis, 37 formed a well-supported ‘core Mitridae’ consisting of four major clades, three of them consistent with the subfamilies Cylindromitrinae, Imbricariinae, and Mitrinae, and Strigatella paupercula standing out by itself. Basal to the ‘core Mitridae’ are four minor lineages, with the genus Charitodoron recognized as sister group to all other Mitridae. The deepwater family Pyramimitridae shows a sister relationship to the Mitridae, with high support for a Pyramimitridae + Mitridae clade. Our results recover the monophyly of the Costellariidae, which form a wellsupported clade that also includes Ptychatractidae, Columbariinae, and Volutomitridae, but not Mitridae. Most derived and diverse amongst Costellariidae are species of Vexillum, characterized by a bow-shaped, multicuspidate rachidian tooth. Several previously unrecognized deep-water costellariid lineages are revealed. Their members retain some plesiomorphies – in particular a tricuspidate rachidian tooth – that makes them morphologically intermediate between ptychatractids and Vexillum. The taxa of Ptychatractidae included in the analysis are not monophyletic, but form three well-supported, unrelated groupings, corresponding respectively to Ceratoxancus + Latiromitra, Exilia, and Exiliodea. None of them shows an affinity to Pseudolividae.
Houart, Roland, 2015, Four new species of Muricidae (Gastropoda) from New Caledonia, Papua New Guinea and Indonesia, The Nautilus, 129, 4, 143-155
Résumé [+] [-]Four new species of Muricidae are described from New Caledonia, Papua New Guinea and Indonesia and compared with related species. One Timbellus species was collected in New Caledonia. Two other species are described from Papua New Guinea, respectively in Chicopinnatus and Dermomurex. The fourth species, also belonging in Chicopinnatus, originates from Indonesia.
- ter Poorten, Jan Johan, 2015, Fragum vanuatuense spec. nov., a small new Fragum from the Central Indo-West Pacific (Bivalvia, Cardiidae), Basteria, 79, 4-6, 114-120
Fraussen, Koen, Stahlschmidt, Peter, Héros, Virginie, Strong, Ellen E., Bouchet, Philippe, 2016, The extensive Indo-Pacific deep-water radiation of Manaria E. A. Smith, 1906 (Gastropoda: Buccinidae) and related genera, with descriptions of 21 new species, Mémoires du Muséum national d’Histoire naturelle, 29, 208, 363-456
Résumé [+] [-]The tropical deep-water Cominellinae commonly assigned to the genera Manaria E. A. Smith, 1906 and Eosipho Thiele, 1929 are revised. While the taxonomic details at the generic level were discussed by Kantor et al. (2013), the species level is discussed here. Twentyone new species are described: Manaria astrolabis n. sp. (French Polynesia), M. borbonica n. sp. (Réunion), M. circumsonaxa n. sp. (Papua New Guinea and the Solomons), M. corindoni n. sp. (Indonesia), M. corporosis n. sp. (the Solomons, Vanuatu, Coral Sea and New Caledonia), M. explicibilis n. sp. (Papua New Guinea and the Solomons), M. excalibur n. sp. (Indonesia and Western Australia), M. fluentisona n. sp. (the Solomons, Fiji, Wallis and Tonga), M. hadorni n. sp. (Papua New Guinea and New Caledonia), M. indomaris n. sp. (India), M. loculosa n. sp. (Fiji), M. lozoueti n. sp. (North Fiji Basin), M. terryni n. sp. (Mozambique Channel), M. tongaensis n. sp. (Tonga), M. tyrotarichoides n. sp. (Mozambique Channel), Calagrassor bacciballus n. sp. (Philippines), C. delicatus n. sp. (New Zealand), C. hespericus n. sp. (Mozambique), C. pidginoides n. sp. (Philippines, Papua New Guinea, the Solomons and Vanuatu), Enigmaticolus marshalli n. sp. (Kermadec Ridge, Monowai Caldera), and E. voluptarius n. sp. (New Caledonia). Considerable range extensions are recorded: Manaria kuroharai Azuma, 1960 is recorded from the Solomons, New Caledonia, Vanuatu and Tonga; M. brevicaudata (Schepman, 1911) is recorded from Taiwan, the Philippines, the Solomons and Fiji; and Calagrassor poppei (Fraussen, 2001) is recorded from Indonesia and the Solomons. Lathyrus jonkeri Koperberg, 1931, a fossil described from Indonesia, is recorded from the Recent fauna of Indonesia, Philippines and Fiji and is redescribed and placed in Manaria. Sipho jonkeri Koperberg, 1931, another fossil described from Indonesia in the same work, is a secondary homonym of Manaria jonkeri (Koperberg, 1931) and is renamed Manaria koperbergae nom. nov.
Galindo, Lee Ann, Puillandre, Nicolas, Utge, José, Lozouet, Pierre, Bouchet, Philippe, 2016, The phylogeny and systematics of the Nassariidae revisited (Gastropoda, Buccinoidea), Molecular Phylogenetics and Evolution, 99, 337-353
- Houart, Roland, Héros, Virginie, 2016, New species and records of deep water muricids (Gastropoda: Muricidae) from Papua New Guinea, Vita Malacologica, 15, 7-34
- Marshall, Bruce A., Puillandre, Nicolas, Lambourdiere, Josie, Couloux, Arnaud, Samadi, Sarah, Héros, Virginie, Strong, Ellen E., Bouchet, Philippe, 2016, Deep-sea wood-eating limpets of the genus Pectinodonta Dall, 1882 (Mollusca: Gastropoda: Patellogastropoda: Pectinodontidae) from the tropical West Pacific, Mémoires du Muséum national d’Histoire naturelle, 29, 208, 235-265
Ng, Peter K.L., Castro, Peter, 2016, Revision of the family Chasmocarcinidae Serène, 1964 (Crustacea, Brachyura, Goneplacoidea), Zootaxa, 4209, 1, 1-182
- Sirenko, Boris I., Héros, Virginie, Strong, Ellen E., Bouchet, Philippe, 2016, New, rare bathyal leptochitons (Mollusca, Polyplacophora) from the South and West Pacific, Mémoires du Muséum national d'Histoire naturelle, 29, 208, 25-63
Smith-Vaniz, William F., Johnson, G. David, 2016, Hidden diversity in deep-water bandfishes: review of Owstonia with descriptions of twenty-one new species (Teleostei: Cepolidae: Owstoniinae), Zootaxa, 4187, 1, 1-103
doi: 10.11646/zootaxa.4187.1.1 Résumé [+] [-]The bandfish family Cepolidae, comprising the subfamilies Owstoniinae and Cepolinae, is characterized, and defining characters of the three groups are identified and discussed. Characters of larvae of both subfamilies are described and illustrated. Six nominal genera of owstoniines had been proposed by various authors, but we recognize only Owstonia Tanaka. Utility of selected identification characters of the genus are discussed. Differences in lateral-line patterns have been the primary character used by some recent authors for recognition of two owstoniine genera, with Sphenanthias Weber possessing the plesiomorphic lateral-line condition. Several other patterns also occur in these fishes bringing into question the phylogenetic significance of lateral line plasticity. Sexual dimorphism in pelvic fin lengths is also present in several species. Identification keys, descriptions, synonymies, distribution maps and photographs or illustrations are provided for all Owstonia species for which adults are available. Although only 15 valid species were previously known, a remarkable hidden diversity of these fishes was discovered in major museum collections with the following 21 species here described as new: O. ainonaka (eastern Australia), O. contodon (Philippines), O. crassa (New Caledonia and Solomon Islands), O. dispar (Solomon Islands), O. elongata (New Caledonia and Vanuatu), O. fallax (eastern Australia and New Caledonia), O. geminata (Vanuatu and Philippines), O. hastata (eastern Australia), O. hawaiiensis (Hawaiian Islands); O. ignota (Mariana Islands), O. lepiota (Tanzania), O. melanoptera (Philippines), O. merensis (eastern Australia, Torres Strait), O. mundyi (Kiribati, Christmas Island), O. nalani (eastern Australia and New Caledonia), O. nudibucca (eastern Indian Ocean, Mentawai Islands and off Myanmar), O. psilos (Western Australia), O. raredonae (Mozambique), O. rhamma (Vanuatu), O. scottensis (Western Australia, Scott Reefs) and O. similis (Madagascar). Several specimens based on small juveniles, which we describe as Owstonia sp., appear to be additional new species but are not formally described as such.
Tenorio, Manuel J., Castelin, Magalie, 2016, Genus Profundiconus Kuroda, 1956 (Gastropoda, Conoidea): Morphological and molecular studies, with the description of five new species from the Solomon Islands and New Caledonia, European Journal of Taxonomy, 173, 1-45
doi: 10.5852/ejt.2016.173 Résumé [+] [-]The genus Profundiconus Kuroda, 1956 is reviewed. The morphological characters of the shell, radular tooth and internal anatomy of species in Profundiconus are discussed. In particular, we studied Profundiconus material collected by dredging in deep water during different scientific campaigns carried out in the Solomon Islands, Madagascar, Papua New Guinea and New Caledonia. We reconstructed a phylogeny of 55 individuals based on partial mitochondrial cox1 gene sequences. The phylogeny shows several clades containing individuals that do not match any of the known species of Profundiconus based on their shell and radular morphologies, and are introduced here as five new species: Profundiconus maribelae sp. nov. from the Solomon Islands; P. virginiae sp. nov. from Chesterfield Plateau (New Caledonia); P. barazeri sp. nov. from Chesterfield Plateau and the Grand Passage area (New Caledonia); P. puillandrei sp. nov. from Norfolk Ridge (New Caledonia), Kermadec Ridge (New Zealand) and possibly Balut Island (Philippines); and P. neocaledonicus sp. nov. from New Caledonia. Furthermore, Profundiconus teramachii forma neotorquatus (da Motta, 1984) is raised to specific status as P. neotorquatus (da Motta, 1984).
- Vilvens, Claude, Williams, Suzanne T., Héros, Virginie, Strong, Ellen E., Bouchet, Philippe, 2016, New genus and new species of Solariellidae (Gastropoda: Trochoidea) from New Caledonia, Fiji, Vanuatu, Solomon Islands, Philippines, Papua New Guinea and French Polynesia, Mémoires du Muséum national d’Histoire naturelle, 29, 208, 267-289
Vilvens, Claude, 2016, New records and new species of Cataegis (Gastropoda: Seguenzioidea) from Solomon Islands, Novapex, 17, 4, 67-76
Résumé [+] [-]New records of one known Cataegidae species described from Indonesia area are listed, extending its distribution to Solomon Islands. Three new species are described from Solomon Islands and compared with similar species: Cataegis stroggile n. sp., C. tallorbioides n. sp. and C. pleres n. sp.
Castelin, Magalie, Williams, Suzanne T., Buge, Barbara, Maestrati, Philippe, Lambourdière, Josie, Ozawa, Tomowo, Utge, José, Couloux, Arnaud, Alf, Axel, Samadi, Sarah, 2017, Untangling species identity in gastropods with polymorphic shells in the genus Bolma Risso, 1826 (Mollusca, Vetigastropoda), European Journal of Taxonomy, 288, 1-21
doi: 10.5852/ejt.2017.288 Résumé [+] [-]In shelled molluscs, assigning valid species names to independent evolutionary lineages can be a difficult task. Most original descriptions are based on empty shells and the high levels of variation in shape, color and pattern in some groups can make the shell a poor proxy for species-level identification. The deep-sea gastropod turbinid genus Bolma is one such example, where species-level identification based on shell characters alone is challenging. Here, we show that in Bolma both traditional and molecular taxonomic treatments are associated with a number of pitfalls that can lead to biased inferences about species diversity. Challenges derive from the few phylogenetically informative characters of shells, insufficient information provided in original descriptions and sampling artefacts, which at the molecular level in spatially fragmented organisms can blur distinctions between genetically divergent populations and separate species. Based on a comprehensive dataset combining molecular, morphological and distributional data, this study identified several cases of shell-morphological plasticity and convergence. Results also suggest that what was thought to be a set of distinct, range-restricted species corresponds instead to a smaller number of more widespread species. Overall, using an appropriate sampling design, including type localities, allowed us to assign available names to evolutionarily significant units.
Fedesov, Alexander E., Puillandre, Nicolas, Herrmann, Manfred, Dgebuadze, Polina, Bouchet, Philippe, 2017, Phylogeny, systematics, and evolution of the family Costellariidae (Gastropoda: Neogastropoda), Zoological Journal of the Linnean Society, 179, 3, 541-626
doi: 10.1111/zoj.12431 Résumé [+] [-]The neogastropod family Costellariidae is a large and successful group of carnivorous marine mollusks that encompasses about 475 living species. Costellariids are most diverse in the tropical Indo-Pacific at a depth interval of 0–200 m, where they are largely represented by numerous species commonly assigned to the genus Vexillum. The present work expands the taxon sampling of a previous phylogeny of the mitriform gastropods to resolve earlier problematic relationships, and thus establish a robust framework of the family, revise its taxonomy, and uncover major trends in the evolution of costellariid morphology. A multicuspidate rachidian is shown to have appeared at least twice in the evolutionary history of the family: it is regarded as an apomorphy of the primarily Indo-Pacific Vexillum–Austromitra–Atlantilux lineage, and has evolved independently in the Nodicostellaria–Mitromica lineage of the western hemisphere. The genera Ceratoxancus and Latiromitra are transferred from the Ptychatractidae to the Costellariidae. Tosapusia, Protoelongata, and Pusia are ranked as full genera, the latter with the three subgenera Pusia, Ebenomitra, and Vexillena. Vexillum (Costellaria) and Zierliana are treated as synonyms of Vexillum. The replacement name Suluspira is proposed for Visaya Poppe, Guillot de Suduiraut & Tagaro, 2006, non Ahyong, 2004 (Crustacea). We introduce four new genera, Alisimitra, Costapex, Turriplicifer, and Orphanopusia, and characterize their anatomy; 14 new species, mostly from deep water in the Indo-Pacific, are described in the genera Tosapusia, Alisimitra, Costapex, and Pusia. At least two species of Costapex gen. nov. have been collected from sunken wood.
- Fehse, Dirk, 2017, Contributions to the knowledge of the Triviidae, XXIX -J. New Triviidaefrom the Solomones, Visaya, Suppl. VIII, 65-94
- Fehse, Dirk, 2017, Contributions to the knowledge of the Triviidae, XXIX-B. New Triviidae from the Fiji, Visaya, Suppl. VIII, 31-48
Galindo, Lee Ann, Kool, Hugo H., Dekker, Henk, 2017, Review of the Nassarius pauperus (Gould, 1850) complex (Nassariidae): Part 3, reinstatement of the genus Reticunassa, with the description of six new species, European Journal of Taxonomy, 275, 1-43
- Oliver, Joan Daniel, Rolán, Emilio, 2017, A new species of the genus Benthonellania (Gastropoda, Rissooidea) from the Cape Verde archipelago - Una nueva especie del género Benthonellania (Gastropoda, Rissooidea) del archipiélago de Cabo Verde, Iberus, 35, 1, 47-57
- Sirenko, Boris, 2017, Deep-sea chitons of the genus Stenosemus (Mollusca: Polyplacophora) from Fiji and Solomon Islands, Ruthenica, 27, 1, 1-14
- Vilvens, Claude, 2017, New species and new records of Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) from the Pacific Ocean, Novapex, 18, HS 11, 1-67
Fedosov, Alexander, Puillandre, Nicolas, Herrmann, Manfred, Kantor, Yuri, Oliverio, Marco, Dgebuadze, Polina, Modica, Maria Vittoria, Bouchet, Philippe, 2018, The collapse of Mitra: molecular systematics and morphology of the Mitridae (Gastropoda: Neogastropoda), Zoological Journal of the Linnean Society, 20, 1-85
Tongboonkua, Pakorn, Lee, Mao-Ying, Chen, Wei-Jen, 2018, A new species of sinistral flatfish of the genus Chascanopsetta (Teleostei: Bothidae) from off Papua New Guinea, western Pacific Ocean, Zootaxa, 4476, 1, 168
doi: 10.11646/zootaxa.4476.1.16 Résumé [+] [-]Left-eyed flounders of the genus Chascanopsetta Alcock 1894 (Bothidae) occur in the Indian, Pacific, and Atlantic oceans at depths ranging from 120 to 1500 meters. They possess some unique features in bothid fishes including a strongly compressed and elongated body and a tremendously large mouth. Currently, nine species of Chascanopsetta are recognized, and three of them (C. micrognatha Amaoka & Yamamoto 1984, C. lugubris Alcock 1894 and C. prognatha Norman 1939) are distributed in the West Pacific. We collected 25 specimens of Chascanopsetta during 11 biodiversity expeditions carried out mainly in the West Pacific. Among them, eight specimens taken off Papua New Guinea present morphological features that differ from those of the three nominal species known in the West Pacific. In this study, we examined these eight specimens of unknown affinity and compared their morphology to that of specimens of other congeneric species. Results of these comparisons showed that these specimens represent an undescribed species of Chascanopsetta, named herein, C. novaeguineae sp. nov.. The new species resembles C. elski Foroshchuk 1991, which is known only from the Saya de Malha Bank in the western Indian Ocean, in having a high number of gill rakers (> 13). However, the combination of the following characters further distinguishes C. novaeguineae sp. nov. from C. elski: longer jaws, narrower interorbital width, and number of pseudobranches (21–25 vs. 26–27). The DNA sequences from the mitochondrial cytochrome oxidase subunit I (COI) gene from C. novaeguineae sp. nov. and other species were obtained and compared to confirm its taxonomic status and to infer its tentative phylogenetic position within the Chascanopsetta.
Liste des documents
Liste des photos
|Collecte : 186 photos||Organisme : 410 photos||Organisme sur débris organiques : 44 photos||Substrat : 73 photos||Débris organiques : 90 photos||Détritus : 12 photos|
Liste des participantsPhoto de l'équipe scientifique de la campagne SALOMONBOA3. De gauche à droite : Joëlle Dupont, Bertrand Richer de Forges, Marie-Catherine Boisselier, Laurent Albenga, Caroline Hoyoux.
- Albenga, Laurent (Polyvalence, Muséum national d'Histoire naturelle)
- Mon Sep 10 11:20:59 CEST 2007 - Wed Sep 26 11:23:02 CEST 2007 Récolteur
- Boisselier, Marie-Catherine (Systématique moléculaire, Centre National de la Recherche Scientifique)
- Wed Sep 26 00:00:00 CEST 2007 Récolteur
- Dupont, Joëlle (Mycologie, Muséum national d'Histoire naturelle)
- Mon Sep 10 11:20:59 CEST 2007 - Wed Sep 26 00:00:00 CEST 2007 Récolteur
- Hoyoux, Caroline (Physiologie, Université de Liège)
- Mon Sep 10 11:20:59 CEST 2007 - Wed Sep 26 00:00:00 CEST 2007 Récolteur
- Leqata, Jon ( Ministère des pêches Honiara)
- Mon Sep 10 11:20:59 CEST 2007 - Wed Sep 26 00:00:00 CEST 2007 Observateur
- Richer de Forges, Bertrand (Carcinologie - Benthologie, Office de la Recherche Scientifique et Technique Outre-Mer)
- Mon Sep 10 11:20:59 CEST 2007 - Wed Sep 26 00:00:00 CEST 2007 Chef de mission