Fiche participant :
Nom : Oliverio
Prénom : Marco
Liste des participations aux campagnes accessibles [+] [-]
- CORSICABENTHOS 1
- CAMPAGNE (Mon May 06 00:00:00 CEST 2019 - Fri May 24 00:00:00 CEST 2019)
- Plongée - collecte (Polyvalence, Sapienza Università di Roma)
- PAPUA NIUGINI
- Shore-based sampling (Mon Nov 05 00:00:00 CET 2012 - Fri Dec 14 00:00:00 CET 2012)
- ( Sapienza Università di Roma)
- Leg 2. Coastal sampling (Sat Nov 10 00:00:00 CET 2012 - Fri Nov 23 00:00:00 CET 2012)
- ( Sapienza Università di Roma)
Bibliographie (23) [+] [-]
Exporter les bibliographies
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Amati B., Di giulio, a. & Oliverio m. 2022. Deep-water Rissoidae of the genera Benthonella Dall, 1889 and Benthonellania Lozouet, 1990 (Gastropoda, Caenogastropoda, Rissooidea) from French Polynesia. Zoosystema 44(44(12)): 335-389. DOI:https://doi.org/10.5252/zoosystema2022v44a12. http://zoosystema.com/44/12
Résumé [+] [-]The deep-water extant Rissoidae Gray, 1847 of the genera Benthonella Dall, 1889 and Benthonellania Lozouet, 1990 collected in French Polynesia are herein revised. Three species of Benthonella and eight of Benthonellania are described as new (all but one from French Polynesia): Benthonella boucheti n. sp., Benthonella basistriata n. sp., Benthonella communis n. sp., Benthonellania thielei n. sp. (from East Africa), Benthonellania bouteti n. sp., Benthonellania alis n. sp., Benthonellania tarava n. sp., Benthonellania megan n. sp., Benthonellania tuamotu n. sp., Benthonellania lozoueti n. sp. and Benthonellania maestratii n. sp. Two taxa are transferred to Benthonella: Rissoa olangoensis Poppe, Tagaro & Stahlschmidt, 2015 and the fossil Pusillina kazakhstanica Amitrov, 2010. Seven taxa are transferred to Benthonellania: Rissoa precipitata Dall, 1889, Rissoa hertzogi Thiele, 1925, Rissoa africana Thiele, 1925, Rissoa aequatorialis Thiele, 1925, Rissoa profundior Hedley, 1907, Rissoa sumatrana Thiele, 1925 and Alvania colombiana Romer & Moore, 1988. A lectotype for Rissoa africana Thiele, 1925 is designated, to stabilize the use of the name
Campagnes accessibles citées (3) [+] [-]
Codes des collections associés: IM (Mollusques) -
Barco A., Claremont M., Reid D.G., Houart R., Bouchet P., Williams S., Cruaud C., Couloux A. & Oliverio M. 2010. A molecular phylogenetic framework for the Muricidae, a diverse family of carnivorous gastropods. Molecular Phylogenetics and Evolution 56(3): 1025-1039. DOI:10.1016/j.ympev.2010.03.008
Résumé [+] [-]With over 1600 extant described species, the Muricidae are one of the most species-rich and morphologically diverse families of molluscs. As predators of molluscs, polychaetes, anthozoans barnacles and other invertebrates, they form an important component of many benthic communities. Traditionally, the classification of muricids at specific and generic levels has been based primarily on shells, while subfamilies have been defined largely by radular morphology, although the composition and relationships of suprageneric groups have never been studied exhaustively. Here we present the phylogenetic relationships of 77 muricid species belonging to nine of the ten currently recognized subfamilies, based on Bayesian inference and Maximum Likelihood analyses of partial sequences of three mitochondrial (12S, 16S and COI) and one nuclear (28S) genes. The resulting topologies are discussed with respect to traditional subfamilial arrangements, and previous anatomical and molecular findings. We confirm monophyly of each of the subfamilies Ergalataxinae, Rapaninae, Coralliophilinae, Haustrinae, Ocenebrinae and Typhinae as previously defined, but earlier concepts of Muricinae, Trophoninae and Muricopsinae are shown to be polyphyletic. Based on our phylogenetic hypothesis, a new arrangement of these subfamilies is proposed.
Campagnes accessibles citées (6) [+] [-]
Codes des collections associés: IU (Crustacés) -
Barco A., Schiaparelli S., Houart R. & Oliverio M. 2012. Cenozoic evolution of Muricidae (Mollusca, Neogastropoda) in the Southern Ocean, with the description of a new subfamily: Pagodulinae, new muricid subfamily. Zoologica Scripta 41(6): 596-616. DOI:10.1111/j.1463-6409.2012.00554.x
Campagnes accessibles citées (1) [+] [-]
Codes des collections associés: IM (Mollusques) -
Barco A., Marshall B.A., Houart R. & Oliverio M. 2015. Molecular phylogenetics of Haustrinae and Pagodulinae (Neogastropoda: Muricidae) with a focus on New Zealand species. Journal of Molluscan Studies 81(4): 476-488. DOI:10.1093/mollus/eyv020
Résumé [+] [-]We investigated the relationships of the muricid subfamilies Haustrinae, Pagodulinae and the genus Poirieria using a molecular phylogenetic approach on a dataset of three mitochondrial genes (12S, 16S and COI). These taxa form a well-supported clade within Muricidae. The phylogenetic analysis suggests that Poirieria is the sister group of Pagodulinae and that Axymene, Comptella, Pagodula, Paratrophon, Trophonella, Trophonopsis, Xymene, Xymenella, Xymenopsis and Zeatrophon are all worthy of genus-level rank within this subfamily. We propose the use of Enixotrophon for a group of species currently classified in Pagodula. The results also support a new taxonomic arrangement in Haustrinae.
Campagnes accessibles citées (2) [+] [-]
Codes des collections associés: IM (Mollusques) -
Fassio G., Modica M.V., Alvaro M.C., Buge B., Salvi D., Oliverio M. & Schiaparelli S. 2019. An Antarctic flock under the Thorson's rule: Diversity and larval development of Antarctic Velutinidae (Mollusca: Gastropoda). Molecular Phylogenetics and Evolution 132: 1-13. DOI:10.1016/j.ympev.2018.11.017
Résumé [+] [-]In most marine gastropods, the duration of the larval phase is a key feature, strongly influencing species distribution and persistence. Antarctic lineages, in agreement with Thorson's rule, generally show a short pelagic developmental phase (or lack it completely), with very few exceptions. Among them is the ascidian-feeding gastropod family Velutinidae, a quite understudied group. Based on a multilocus (COI, 16S, 28S and ITS2) dataset for 182 specimens collected in Antarctica and other regions worldwide, we investigated the actual Antarctic velutinid diversity, inferred their larval development, tested species genetic connectivity and produced a first phylogenetic framework of the family. We identified 15 Antarctic Molecular Operational Taxonomic Units (MOTUs), some of which represented undescribed species, which show two different types of larval shell, indicating different duration of the Pelagic Larval Phase (PLD). Antarctic velutinids stand as an independent lineage, sister to the rest of the family, with extensive hidden diversity likely produced by rapid radiation. Our phylogenetic framework indicates that this Antarctic flock underwent repeated events of pelagic phase shortening, in agreement with Thorson's rule, yielding species with restricted geographic ranges.
Campagnes accessibles citées (5) [+] [-]
Codes des collections associés: IM (Mollusques) -
Fassio G., Russini V., Pusateri F., Giannuzzi-savelli R., Høisæter T., Puillandre N., Modica M.V. & Oliverio M. 2019. An assessment of Raphitoma and allied genera (Neogastropoda: Raphitomidae). Journal of Molluscan Studies. DOI:10.1093/mollus/eyz022
Résumé [+] [-]The systematics of several Eastern Atlantic conoidean species, traditionally ascribed to the genus Raphitoma Bellardi, 1847, are revised on the basis of DNA sequence data from three gene regions (cytochrome c oxidase subunit I, 16S rRNA and 12S rRNA). We assign genus ranking to three major lineages (Raphitoma, Cyrillia Kobelt, 1905 and Leufroyia Monterosato, 1884) and suggest that two West African species belong in the subgenus Daphnella (Paradaphne) Laseron, 1954. A new classification, based on molecular systematics and critical study of morphology, is provided for all Eastern Atlantic and Mediterranean species that are currently ascribed to Raphitoma s.l. The genus Clathromangelia Monterosato, 1884 is confirmed as belonging to Raphitomidae. Phylogenetic relationships and genetic distances suggest that Raphitoma maculosa Høisæter, 2016 and R. obesa Høisæter, 2016 may be divergent morphotypes of R. bicolor (Risso, 1826) and Cyrillia aequalis (Jeffreys, 1867), respectively.
Campagnes accessibles citées (5) [+] [-]
Codes des collections associés: IM (Mollusques) -
Fassio G., Russini V., Buge B., Schiaparelli S., Modica M.V., Bouchet P. & Oliverio M. 2020. High cryptic diversity in the kleptoparasitic genus Hyalorisia Dall, 1889 (Littorinimorpha: Capulidae) with the description of nine new species from the Indo-West Pacific. Journal of Molluscan Studies 86(4): 401-421. DOI:10.1093/mollus/eyaa028
Résumé [+] [-]Species in the family Capulidae (Littorinimorpha: Capuloidea) display a wide range of shell morphologies. Several species are known to live in association with other benthic invertebrates—mostly bivalves and sabellid worms, but also other gastropods—and are believed to be kleptoparasitic filter feeders that take advantage of the water current produced by the host. This peculiar trophic ecology, implying a sedentary lifestyle, has resulted in highly convergent shell forms. This is particularly true for the genus Hyalorisia Dall, 1889, which occurs in deep water in the Caribbean and Indo-West Pacific provinces, with two nominal species recognized so far. Combining morphological, ecological and molecular data, we assessed the diversity of the genus, its phylogenetic position inside the family and its association with its bivalve host, the genus Propeamussium de Gregorio, 1884 (Pectinoidea), resulting in the description of nine new cryptic species. When sympatric, species of Hyalorisia are associated with different host species, but the same species of Propeamussium may be the host of several allopatric species of Hyalorisia.
Campagnes accessibles citées (17) [+] [-]AURORA 2007, CONCALIS, CORSICABENTHOS 1, EBISCO, KANACONO, KANADEEP, KARUBENTHOS 2, KAVIENG 2014, KOUMAC 2.3, MADEEP, MAINBAZA, MIRIKY, NanHai 2014, PANGLAO 2004, PANGLAO 2005, SALOMON 2, ZhongSha 2015
Codes des collections associés: IM (Mollusques) -
Fassio G., Russo P., Bonomolo G., Fedosov A.E., Modica M., Nocella E. & Oliverio M. 2022. A molecular framework for the systematics of the Mediterranean spindle-shells (Gastropoda, Neogastropoda, Fasciolariidae, Fusininae). Mediterranean Marine Science 23(3): 623-636. DOI:10.12681/mms.29935
Résumé [+] [-]A remarkably high diversity of native small spindle-shells (Gastropoda, Fasciolariidae, Fusininae) has been recently inventoried in the Mediterranean Sea, with 23 species identified based on shell morphology. They have almost invariably been classified in the genus Fusinus, and a few of them recently moved to other genera (Aptyxis Troschel 1868, Aegeofusinus Russo, 2017 and Gracilipurpura Jousseaume, 1880), mostly based on the sole shell features. We have reconstructed a molecular phylogenetic framework for the Mediterranean Fusininae, focusing on native species representative of the genus-level taxa. Our results confirmed that Fusinus s.s. (type species Murex colus Linnaeus, 1758) should be restricted to a group of large-shelled species from the Indo-West Pacific and does not fit any of the small-shelled Mediterranean fusinines. We confirm that Murex syracusanus Linnaeus, 1758 represents a distinct lineage, and show that for all the remaining species the pattern is suggestive of a single monophyletic radiation of small Mediterranean fusinines, for which the name Pseudofusus Monterosato, 1884 must be used
Campagnes accessibles citées (23) [+] [-]ATIMO VATAE, AURORA 2007, CONCALIS, Restreint, EBISCO, EXBODI, GUYANE 2014, KANACONO, KARUBENTHOS 2, KARUBENTHOS 2012, KAVIENG 2014, MIRIKY, NanHai 2014, PAKAIHI I TE MOANA, PANGLAO 2004, PANGLAO 2005, PAPUA NIUGINI, SALOMON 2, SALOMONBOA 3, SANTO 2006, TARASOC, TERRASSES, Restreint
Codes des collections associés: IM (Mollusques) -
Fassio G., Stefani M., Russini V., Buge B., Bouchet P., Treneman N., Malaquias M.A.E., Schiaparelli S., Modica M.V. & Oliverio M. 2022. Neither slugs nor snails: a molecular reappraisal of the gastropod family Velutinidae. Zoological Journal of the Linnean Society: 1-41. DOI:10.1093/zoolinnean/zlac091
Résumé [+] [-]Abstract The systematics of the marine mollusc family Velutinidae has long been neglected by taxonomists, mainly because their often internal and fragile shells offer no morphological characters. Velutinids are usually undersampled owing to their cryptic mantle coloration on the solitary, social or colonial ascidians on which they feed and lay eggs. In this study, we address the worldwide diversity and phylogeny of Velutinidae based on the largest molecular dataset (313 specimens) to date, accounting for > 50% of the currently accepted genera, coupled with morphological and ecological data. Velutinids emerge as a diverse group, encompassing four independent subfamily-level lineages, two of which are newly described herein: Marseniopsinae subfam. nov. and Hainotinae subfam. nov. High diversity was found at genus and species levels, with two newly described genera (Variolipallium gen. nov. and Pacifica gen. nov.) and ≥ 86 species in the assayed dataset, 58 of which are new to science (67%). Velutinidae show a remarkable morphological plasticity in shell morphology, mantle extension and chromatic patterns. This variability is likely to be the result of different selective forces, including habitat, depth and trophic interactions.
Campagnes accessibles citées (23) [+] [-]ATIMO VATAE, BIOMAGLO, BIOPAPUA, CEAMARC-AA, CORSICABENTHOS 1, CORSICABENTHOS 2, CORSICABENTHOS 3, GUYANE 2014, ILES DU SALUT, KANACONO, KANADEEP 2, KARUBENTHOS 2, KAVIENG 2014, KOUMAC 2.1, KOUMAC 2.3, MADEEP, MADIBENTHOS, PANGLAO 2004, PAPUA NIUGINI, SAKIZAYA 2019, SANTO 2006, Tuhaa Pae 2013, ZhongSha 2015
Codes des collections associés: IM (Mollusques) -
Fassio G., Bouchet P., Oliverio M. & Strong E.E. 2022. Re-evaluating the case for poecilogony in the gastropod Planaxis sulcatus (Cerithioidea, Planaxidae). BMC Ecology and Evolution 22(1): 13. DOI:10.1186/s12862-022-01961-7
Résumé [+] [-]Background: Planaxis sulcatus has been touted as a textbook example of poecilogony, with members of this wideranging Indo-Pacific marine gastropod said to produce free-swimming veligers as well as brooded juveniles. A recent paper by Wiggering et al. (BMC Evol Biol 20:76, 2020) assessed a mitochondrial gene phylogeny based on partial COI and 16S rRNA sequences for 31 individuals supplemented by observations from the brood pouch of 64 mostly unsequenced individuals. ABGD and bGYMC supported three reciprocally monophyletic clades, with two distributed in the Indo-Pacific, and one restricted to the northern Indian Ocean and Red Sea. Given an apparent lack of correlation between clade membership and morphological differentiation or mode of development, the reported 3.08% maximum K2P model-corrected genetic divergence in COI among all specimens was concluded to represent population structuring. Hence, the hypothesis that phylogenetic structure is evidence of cryptic species was rejected and P. sulcatus was concluded to represent a case of geographic poecilogony. Results: Our goal was to reassess the case for poecilogony in Planaxis sulcatus with a larger molecular dataset and expanded geographic coverage. We sequenced an additional 55 individuals and included published and unpublished sequence data from other sources, including from Wiggering et al. Our dataset comprised 108 individuals (88 COI, 81 16S rRNA) and included nine countries unrepresented in the previous study. The expanded molecular dataset yielded a maximum K2P model-corrected genetic divergence among all sequenced specimens of 12.09%. The value of 3.08% erroneously reported by Wiggering et al. is the prior maximal distance value that yields a single-species partition in ABGD, and not the maximum K2P intraspecific divergence that can be calculated for the dataset. The bGMYC analysis recognized between two and six subdivisions, while the best-scoring ASAP partitions recognized two, four, or five subdivisions, not all of which were robustly supported in Bayesian and maximum likelihood phylogenetic analyses of the concatenated and single gene datasets. These hypotheses yielded maximum intra-clade genetic distances in COI of 2.56–6.19%, which are more consistent with hypothesized species-level thresholds for marine caenogastropods. Conclusions: Based on our analyses of a more comprehensive dataset, we conclude that the evidence marshalled by Wiggering et al. in support of Planaxis sulcatus comprising a single widespread, highly variable species with geographic poecilogony is unconvincing and requires further investigation in an integrative taxonomic framework.
Campagnes accessibles citées (5) [+] [-]
Codes des collections associés: IM (Mollusques) -
Fassio g., Bouchet p., Lozouet p., Modica m.v., Russini v., Schiaparelli s. & Oliverio m. 2021. Becoming a limpet: An ‘intermittent limpetization’ process driven by host features in the kleptoparasitic gastropod family Capulidae. Molecular Phylogenetics and Evolution 155: 107014. DOI:https://doi.org/10.1016/j.ympev.2020.107014
Campagnes accessibles citées (3) [+] [-]
Codes des collections associés: IM (Mollusques) -
Fedosov A., Puillandre N., Herrmann M., Kantor Y., Oliverio M., Dgebuadze P., Modica M.V. & Bouchet P. 2018. The collapse of Mitra: molecular systematics and morphology of the Mitridae (Gastropoda: Neogastropoda). Zoological Journal of the Linnean Society 20: 1-85. DOI:10.1093/zoolinnean/zlx073/4855867
Résumé [+] [-]Alongside confirmation of the monophyly of the gastropod family Mitridae, a recent molecular phylogenetic analysis disclosed multiple inconsistencies with the existing taxonomic framework. In the present study, we expanded the molecular sampling to 103 species, representing 26% of the 402 extant species currently accepted in the family and 16 of the 19 currently accepted extant genera; 83 species were sequenced for four molecular markers [cytochrome c oxidase subunit I (COI), 16S and 12S rRNA, and H3 (Histone 3)]. Molecular analyses were supplemented by morphological studies, focused on characters of the radula and, in a more restricted data set, proboscis anatomy. These data form the basis for a revised classification of the Mitridae. A first dichotomy divides mitrids into two unequal clades, Charitodoron and the Mitridae s.s. Species of Charitodoron show profound differences to all other Mitridae in foregut anatomy (lacking an epiproboscis) and shell morphology (smooth columella, bulbous protoconch of non-planktotrophic type), which leads to the erection of the separate family Charitodoronidae fam. nov. Three traditional subfamilies (Mitrinae, Cylindromitrinae and Imbricariinae) correspond to three of the inferred phylogenetic lineages of Mitridae s.s.; we redefine their contents, reinstate Strigatellinae Troschel, 1869 as valid and establish the new subfamily Isarinae. In the absence of molecular material, a sixth subfamily, Pleioptygmatinae, is included in Mitridae based on morphological considerations only. To resolve the polyphyly of Mitra and Cancilla in their current taxonomic extension, we reinstate the genera Episcomitra Monterosato, 1917, Isara H. & A. Adams, 1853 and Probata Sarasúa, 1989 and establish 11 new genera: Quasimitra, Roseomitra, Fusidomiporta, Profundimitra, Cancillopsis, Pseudonebularia, Gemmulimitra and Neotiara in Mitrinae; Imbricariopsis in Imbricariinae; Carinomitra and Condylomitra are left unassigned to a subfamily. Altogether 32 genera are recognized within the family. Their diversity and distribution are discussed, along with general trends in morphological evolution of the family.
Campagnes accessibles citées (26) [+] [-]ATIMO VATAE, AURORA 2007, BIOCAL, BIOPAPUA, BOA1, CONCALIS, CORAIL 2, EBISCO, EXBODI, GUYANE 2014, INHACA 2011, KARUBENTHOS 2, KARUBENTHOS 2012, KAVIENG 2014, MADEEP, MAINBAZA, MIRIKY, PANGLAO 2004, PANGLAO 2005, PAPUA NIUGINI, SALOMONBOA 3, SANTO 2006, SMIB 4, TARASOC, Tuhaa Pae 2013, Restreint
Codes des collections associés: IM (Mollusques) -
Giannuzzi-savelli, riccardo, Pusateri, francesco, Prkić jakov, Bartolini S., Russini V., Fassio G. & Oliverio M. 2020. Revision of Mediterranean and NE Atlantic Raphitomidae (Gastropoda, Conoidea) 8: The genus Leufroyia Monterosato, 1884. Zoosystema 42(22): 433. DOI:10.5252/zoosystema2020v42a22
Résumé [+] [-]The four recent species of the genus Leufroyia Monterosato, 1884 are revised based on an integrative taxonomy approach: L. leufroyi (Michaud, 1828), L. concinna (Scacchi, 1836), L. erronea Monterosato, 1884 and L. villaria (Pusateri & Giannuzzi-Savelli, 2008).
Campagnes accessibles citées (1) [+] [-]
Codes des collections associés: IM (Mollusques) -
Kosuge S. & Oliverio M. 2001. A new Coralliophiline species from the Southwest Pacific (Neogastropoda : Muricidae : Coralliophilinae). Journal of Conchology 37(3): 285-290
Résumé [+] [-]A new coralliophiline species with striking morphological features is described from several stations sampled in deep waters off New Caledonia. It is compared with related species of Babelomurex and Hirtomurex. It is currently known only from a restricted area in the south-west Pacific.
Campagnes accessibles citées (10) [+] [-]
Codes des collections associés: IM (Mollusques) -
Kosuge S. & Oliverio M. 2003. Three new coralliophiline species from South-West Pacific (Neogastropoda : Muricidae : Coralliophilinae). Journal of Conchology 38(2): 147-153
Résumé [+] [-]Three new coralliophiline species are described from stations sampled in deep waters of New Caledonia, and Fiji in the South West Pacific: Coralliophila rhomboidea, Babelomurex virginiae and Mipus coriolisi. All species are compared with the morphologically closest species of Coralliophila, Babelomurex and Mipus.
Campagnes accessibles citées (11) [+] [-]BATHUS 2, BATHUS 4, BORDAU 1, CHALCAL 2, LITHIST, MUSORSTOM 5, SMIB 3, SMIB 4, SMIB 5, SMIB 8, VOLSMAR
Codes des collections associés: IM (Mollusques) -
Marshall B.A. & Oliverio M. 2009. The Recent Coralliophilinae of the New Zealand region, with descriptions of two new species (Gastropoda: Neogastropoda: Muricidae). Molluscan Research 29(3): 155-173
Campagnes accessibles citées (1) [+] [-]
Codes des collections associés: IM (Mollusques) -
Modica M.V., Kosyan A.R. & Oliverio M. 2009. The relationships of the enigmatic gastropod Tritonoharpa (Neogastropoda): New data on early neogastropoda evolution ?. The Nautilus 123(3): 177-188
Résumé [+] [-]In this paper, the relationships of Tritonoharpa Dall, 1908, within Neogastropoda are discussed. Tritonoharpa is indeed similar to Colubraria in the morphology of its head-foot, pallial complex, reproductive and excretory systems, in the presence of an extremely long and coiled proboscis, and a very large stomach. However, it differs from Colubraria in the rest of its foregut anatomy, revealing a cancellariid affinity, and a typical nematoglossan radula. The molecular data confirms Beu and Maxwell's placement of Tritonoharpa in the Cancellariidae close to Plesiotriton. It is also suggested that cancellariids may be the sister-group to the rest of neogastropods. Tritonoharpa has a rather large and well developed midgut gland, resembling the gland of Leiblein. As previously studied cancellarioideans have been shown to lack a well differentiated gland of Leiblein, the present study raises some interesting questions about the evolution of the foregut in Neogastropoda. In fact, if this glandular structure were confirmed as a true homologue of the gland of Leiblein, and the cancellarioideans proved to be the sister group to the remaining neogastropods, the possession of the gland should be considered a synapomorphy of the Neogastropoda.
Campagnes accessibles citées (4) [+] [-]
Codes des collections associés: IM (Mollusques) -
Modica M.V., Bouchet P., Cruaud C., Utge J. & Oliverio M. 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.
Campagnes accessibles citées (10) [+] [-]AURORA 2007, CONCALIS, MAINBAZA, MIRIKY, NORFOLK 2, PANGLAO 2004, PANGLAO 2005, SALOMON 2, SALOMONBOA 3, SANTO 2006
Codes des collections associés: IM (Mollusques) -
Modica M.V., Verhecken A. & Oliverio M. 2011. The relationships of the enigmatic neogastropod Loxotaphrus (Cancellariidae). New Zealand Journal of Geology and Geophysics 54(1): 115–124. DOI:10.1080/00288306.2011.537610
Campagnes accessibles citées (1) [+] [-]
Codes des collections associés: IM (Mollusques) -
Oliverio M. 2008. Coralliophilinae (Neogastropoda: Muricidae) from the Marquesas Islands. Journal of Conchology 39(5): 569-584
Résumé [+] [-]Fourteen species of Coralliophilinae (Neogastropoda, Muricidae) have been identified in the material collecled by the MUSORSTOM 9 expedition to the Marquesas Islands. This coralliophiline fauna appears severely impoverished, compared to other West Pacifie areas. At least half of the species (seven) are members of the shallow water fauna, an unusual pattern for the prevalently deep water coralliophilines, which may indicate an increase with depth of the effects of marginality on benthie faunas. One new species Coralliophila nukuhiva n. sp. is here described.
Campagnes accessibles citées (3) [+] [-]
Codes des collections associés: IM (Mollusques) -
Oliverio M. 2008. Coralliophilinae (Neogastropoda: Muricidae) from the southwest Pacific, in Héros V., Cowie R.H. & Bouchet P.(Eds), Tropical Deep-Sea Benthos 25. Mémoires du Muséum national d'Histoire naturelle 196:481-585, ISBN:978-2-85653-614-8
Résumé [+] [-]This is a regional revision of the Coralliophilinae (Neogastropoda: Muricidae) from the southwest Pacifi c, based on the material collected during recent expeditions to New Caledonia (including the Coral Sea, mainland New Caledonia, and the Loyalty Islands), Vanuatu, Wallis and Futuna, Fiji and Tonga. It is the fi rst revision of a tropical coralliophiline fauna based on large and extensive sampling, and it yielded a total of 97 coralliophiline species, 13 of them new: Coralliophila candidissima n. sp., C. bathus n. sp., C. norfolk n. sp., C. xenophila n. sp., C. cancellarioidea n. sp., Babelomurex natalabies n. sp., B. pallox n. sp., B. depressispiratus n. sp., B. macrocephalus n. sp., Hirtomurex marshalli n. sp., Mipus tonganus n. sp., M. alis n. sp., and M. boucheti n. sp. A lectotype is selected for Purpura monodonta Blainville, 1832. In addition, this survey resulted in new biogeographical records for 37 species from the southwest Pacifi c fauna. Regional endemicity may be as high as 17.5% (17 out of 97 species). The protoconchs of 47 species are fi gured by SEM. At least 68 species have planktotrophic development, while 10 species are probably lecithotrophic, either with a short pelagic phase or with a totally intracapsular develoment.
Campagnes accessibles citées (36) [+] [-]BATHUS 1, BATHUS 2, BATHUS 3, BATHUS 4, BERYX 11, BIOCAL, BORDAU 1, BORDAU 2, CALSUB, CHALCAL 2, CORAIL 2, HALICAL 1, HALIPRO 1, KARUBAR, LAGON, LIFOU 2000, LITHIST, MONTROUZIER, MUSORSTOM 10, MUSORSTOM 4, MUSORSTOM 5, MUSORSTOM 6, MUSORSTOM 7, MUSORSTOM 8, NORFOLK 1, PALEO-SURPRISE, Restreint, SALOMON 1, SMIB 10, SMIB 3, SMIB 4, SMIB 5, SMIB 6, SMIB 8, VAUBAN 1978-1979, VOLSMAR
Codes des collections associés: IM (Mollusques) -
Oliverio M. 2009. Diversity of Coralliophilinae (Mollusca, Neogastropoda, Muricidae) at Austral Islands (South Pacific). Zoosystema 31(4): 759-789
Résumé [+] [-]The Coralliophilinae is a large subfamily of Muricidae, including 200-250 species that feed exclusively on anthozoans. The material collected during the expeditions BENTHAUS and RAPA 2002 at Austral Islands are reviewed. Twenty-eigth species are recorded, one species is described as new, Coralliophila australis n. sp., diagnosed by its large size and elongated shape. All but one species showed a planktotrophic development, 10 species (36%) were from shallow waters and 15 species (54%) from deep waters. The smaller proportion of deep water coralliophiline species (compared to the range and average on a global scale) in this marginal area of the Pacific, suggests that marginality may affect the deep water faunas more than the shallow water ones.
Campagnes accessibles citées (2) [+] [-]
Codes des collections associés: IM (Mollusques) -
Oliverio M. & Modica M.V. 2010. Relationships of the haematophagous marine snail Colubraria (Rachiglossa: Colubrariidae), within the neogastropod phylogenetic framework. Zoological Journal of the Linnean Society 158(4): 779-800. DOI:10.1111/j.1096-3642.2009.00568.x
Résumé [+] [-]The gastropod genus Colubraria includes marine shallow-water species from tropical, subtropical, and temperate rocky coral environments. At least six species are known to feed on fish blood. Although there is general consensus in placing Colubraria in the Neogastropoda, the actual relationships and the systematic position of Colubraria and related genera are unknown. This is partly the consequence of the lack of a clear phylogenetic framework for the Neogastropoda. This study attempts to propose a phylogenetic framework for the Neogastropoda, by testing: (1) a preliminary phylogenetic arrangement for a large number of recognized neogastropod families; (2) the position of Colubraria within the neogastropods; and (3) the relationships of Colubraria within one of the major neogastropod lineages. We used two different molecular data sets. The first set included representatives of at least 14 neogastropod families, for points (1) and (2), and was based on mitochondrial (16S, 12S, and cytochrome oxidase subunit I, COI) and nuclear (28S) DNA sequences, giving a total of 3443 aligned positions. The second data set, for point (3), included 30 buccinoid sequences from mitochondrial 16S, giving a total of 1029 aligned positions. We also studied the anatomy of the type species of Colubraria and compared it with other neogastropods within the new phylogenetic framework. The results included the first phylogeny of the neogastropod based on 50% of the recognized families. This clearly indicated that the nematoglossan Cancellariidae represent a basal offshoot of the monophyletic Neogastropoda, and that the toxoglossan Conoidea are the sister group to the Rachiglossa. Within the Rachiglossa, a colubrariid clade, worthy of family ranking, showed clear buccinoid affinities. Most of the anatomy of Colubraria is congruent with a buccinoid model. The peculiar anatomical features that do not conform to the buccinoid model seem to be related to the evolution of haematophagous feeding.
Campagnes accessibles citées (4) [+] [-]
Codes des collections associés: IM (Mollusques)