Search

���Skenea ��� ponsonbyi (Dautzenberg & H. Fischer, 1896) Fig. 15E���F Cyclostrema ponsonbyi Dautzenberg & H. Fischer, 1897: 176, pl. 4 figs 12���14. Skenea ponsonbyi ��� Hoffman et al. 2020c: 71���73. Material examined GALICIA BANK ��� 4 sh; 43��00.12��� N, 11��57.67��� W; 1706 m; 29 Jul. 2011; BANGAL 0711 V2; MNCN ��� 5 sh; 42��56.77��� N, 11��58.53��� W; 1631 m; 2 Aug. 2011; BANGAL 0711 V5; MNCN ��� 2 sh; 42��59.61��� N, 11��58.41��� W; 1671 m; 7 Aug. 2011; BANGAL 0711 V9; MNCN. Remarks This is, to our knowledge, the first time that this species is reported outside the Azores (Dautzenberg & Fischer 1896) and the South Azorean Seamount Chain (Hoffman et al. 2020c). The external sculpture recalls that of Moelleria costulata (M��ller, 1842), a boreal Atlantic species which belongs to the family Colloniidae Cossmann, 1917 and has a calcareous operculum fitting exactly the aperture; the flexuous contour of the aperture in the present species suggests that the operculum was flexible and that this similarity does not indicate reationship. For the time being, with no data on the living animal, there is no straightforward generic placement. Cyclostrema Marryat, 1819, a member of the family Liotiidae Gray, 1850 with also a calcareous operculum, is obviously inadequate and we conservatively use the catchall genus ��� Skenea ���, in a broad sense meaning a skeneimorph species, following in that WoRMS Editorial Board (2021)., Published as part of Gofas, Serge, Luque, ��ngel A., Oliver, Joan Daniel, Templado, Jos�� & Serrano, Alberto, 2021, The Mollusca of Galicia Bank (NE Atlantic Ocean), pp. 1-114 in European Journal of Taxonomy 785 (1) on page 48, DOI: 10.5852/ejt.2021.785.1605, http://zenodo.org/record/5798418, {"references":["Hoffman L., Gofas S. & Freiwald A. 2020 c. A large biodiversity of \" skeneimorph \" (Gastropoda, Vetigastropoda) from the South Azorean Seamount Chain with the description of seventeen new species. Iberus supplement 9: 1 - 82.","Dautzenberg P. & Fischer H. 1896. Dragages effectues par l'Hirondelle et par la Princesse Alice 1888 - 1895. 1. Mollusques Gasteropodes. Memoires de la Societe zoologique de France 9: 395 - 498, pl. 15 - 22.","WoRMS Editorial Board. 2021. World Register of Marine Species. Available from http: // www. marinespecies. org / index. php [accessed 7 Mar. 2021]."]}

Genus Anekes Bouchet & War��n, 1979 Type species Anekes undulisculpta Bouchet & War��n, 1979, by original designation., Published as part of Gofas, Serge, Luque, ��ngel A., Oliver, Joan Daniel, Templado, Jos�� & Serrano, Alberto, 2021, The Mollusca of Galicia Bank (NE Atlantic Ocean), pp. 1-114 in European Journal of Taxonomy 785 (1) on page 48, DOI: 10.5852/ejt.2021.785.1605, http://zenodo.org/record/5798418

Genus Skenea Fleming, 1825 Type species Helix serpuloides Montagu, 1808, by subsequent designation., Published as part of Gofas, Serge, Luque, ��ngel A., Oliver, Joan Daniel, Templado, Jos�� & Serrano, Alberto, 2021, The Mollusca of Galicia Bank (NE Atlantic Ocean), pp. 1-114 in European Journal of Taxonomy 785 (1) on page 48, DOI: 10.5852/ejt.2021.785.1605, http://zenodo.org/record/5798418

Genus Limopsis Sassi, 1827 TYPE SPECIES. — Arca aurita Brocchi, 1814, by monotypy.

Limopsis angusta Jeffreys, 1879 (Fig. 26 C, D) MATERIAL EXAMINED. ��� 1 spm, 47 v., DW126. REMARK Originally described from off south-western Portugal, new record for the Canaries., Published as part of Ortega, Jos�� Rafael & Gofas, Serge, 2019, The unknown bathyal of the Canaries: new species and new records of deep-sea Mollusca, pp. 513-551 in Zoosystema 41 (26) on page 545, DOI: 10.5252/zoosystema2019v41a26, http://zenodo.org/record/3726028

Genus Limopsis Sassi, 1827 TYPE SPECIES. ��� Arca aurita Brocchi, 1814, by monotypy., Published as part of Ortega, Jos�� Rafael & Gofas, Serge, 2019, The unknown bathyal of the Canaries: new species and new records of deep-sea Mollusca, pp. 513-551 in Zoosystema 41 (26) on page 545, DOI: 10.5252/zoosystema2019v41a26, http://zenodo.org/record/3726028

Limopsis angusta Jeffreys, 1879 (Fig. 26 C, D) MATERIAL EXAMINED. — 1 spm, 47 v., DW126. REMARK Originally described from off south-western Portugal, new record for the Canaries.

Ortega, José Rafael, Gofas, Serge (2019): The unknown bathyal of the Canaries: new species and new records of deep-sea Mollusca. Zoosystema 41 (26): 513-551, DOI: 10.5252/zoosystema2019v41a26

To broaden the anatomical knowledge of marine bivalves, detailed gross anatomical studies of 20 species from the Florida Keys are presented, representing 19 families: Solemya occidentalis Deshayes, 1857 (Solemyidae), Propeleda carpenteri (Dall, 1881) (Nuculanidae), Arcopsis adamsi (Dall, 1886) (Noetiidae), Limopsis aff. cristata Jeffreys, 1876 (Limopsidae), Brachidontes exustus (Linnaeus, 1758) (Mytilidae), Isognomon alatus (Gmelin, 1791) (Isognomonidae), Hyotissa mcgintyi (Harry, 1985) and H. hyotis (Linnaeus, 1758) (Gryphaeidae), Pinna carnea Gmelin, 1791 (Pinnidae), Spondylus americanus Hermann, 1781 (Spondylidae), Plicatula gibbosa Lamarck, 1801 (Plicatulidae), Anomia simplex d'Orbigny, 1853 (Anomiidae), Carditamera floridana Conrad, 1838 (Carditidae), Entodesma beana (d'Orbigny, 1853) (Lyonsiidae), Codakia orbicularis (Linnaeus, 1758) (Lucinidae), Chama macerophylla Gmelin, 1791 (Chamidae), Lamychaena hians (Gmelin, 1791) (Gastrochaenidae), Polymesoda floridana (Conrad, 1846) (Cyrenidae), La...

We present the first DNA taxonomy publication on abyssal Mollusca from the Clarion-Clipperton Zone (CCZ), central Pacific ocean, using material collected as part of the Abyssal Baseline (ABYSSLINE) environmental survey cruise 'AB01' to the UK Seabed Resources Ltd (UKSRL) polymetallic-nodule exploration area 'UK-1' in the eastern CCZ. This is the third paper in a series to provide regional taxonomic data for a region that is undergoing intense deep-sea mineral exploration for high-grade polymetallic nodules. Taxonomic data are presented for 21 species from 42 records identified by a combination of morphological and genetic data, including molecular phylogenetic analyses. These included 3 heterodont bivalves, 5 protobranch bivalves, 4 pteriomorph bivalves, 1 caudofoveate, 1 monoplacophoran, 1 polyplacophoran, 4 scaphopods and 2 solenogastres. Gastropoda were recovered but will be the subject of a future study. Seven taxa matched published morphological descriptions for species with deep Pacific type localities, and our sequences provide the first genetic data for these taxa. One taxon morphologically matched a known cosmopolitan species but with a type locality in a different ocean basin and was assigned the open nomenclature 'cf' as a precautionary approach in taxon assignments to avoid over-estimating species ranges. One taxon is here described as a new species, Ledella knudseni sp. n. For the remaining 12 taxa, we have determined them to be potentially new species, for which we make the raw data, imagery and vouchers available for future taxonomic study. The Clarion-Clipperton Zone is a region undergoing intense exploration for potential deep-sea mineral extraction. We present these data to facilitate future taxonomic and environmental impact study by making both data and voucher materials available through curated and accessible biological collections.

The bivalve Limopsis cristata pursues a semi-endobenthic life in abyssal soft sediments. It attaches to particles by up to three byssal threads and filter feeds by inhaling water from posterior and anterior directions. Because of partial burial, however, only the latter is functionally significant. Complex ciliary currents in the mantle cavity concerned with the rejection of unwanted particles keep most material out of the simplified intestine. It is generally considered that the ligament is the constraining force in arcoid evolution. This may be true in part, but the lack of pallial fusions and the retention of anterior and posterior inhalant flows are more powerful limits to radiation in the Arcoida. In the deep sea, the Limopsidae has radiated into many micro-niches through micro-morphological adaptations. Loss of the arcoid ‘heel’ has resulted in the union of the separate rejectory currents of the visceral mass and foot, creating a single discharge point in more advanced bivalves. This greatly simplifies the rejectory roles of the visceral mass and foot and is thus of functional and selective advantage.

Early ontogenetic shells of Limopsis angusta, L. aurita, L. cristata, L. friedbergi and L. minuta are described in detail and their morphogenetic traits discussed in a phylogenetic context. Prodissoconch length is found to range from 170–370 µm discounting the so-called prodissoconch 2 stage of authors. Reports of such a stage refer to the early postlarval ‘interdissoconch’. Prodissoconch sizes are indicative of lecithotrophy but not of brooding. Limopsid-like prodissoconchs are rather common among pteriomorphs and at present of little use for phylogenetic interpretations, therefore. The early postlarval hinge is characterized by two tooth generations: an early one, (G1), representing the postlarval continuation of provincular teeth, and a late one, (G2), representing the independent adult dentition. This is a plesiomorphic trait for Pteriomorphia. The postlarval ligament is continuous with the larval resilium; it is neither co-functional with nor is it substituted by the typical duplivincular li...

Pacaud, Jean-Michel (2007): Nouveautés nomenclaturales et taxinomiques introduites par Alcide d'Orbigny dans le Prodrome (1850, 1852) pour les espèces du Paléocène et de l'Éocène. Geodiversitas 29 (1): 17-85, DOI: http://doi.org/10.5281/zenodo.5374882, {"references": ["ALLOITEAU J. 1957. - Contribution a la systematique des madreporaires fossiles. CNRS, Paris, 462 p.", "ANTON H. E. 1838. - Verseichniss der Conchylien welche sich in der Sammlung von Hermann Eduard Anton befinden. Herausgegeben von dem Besitzer. Eduard Anton, Halle, 110 p.", "ARCHIAC A. D' 1846. - Description des fossiles recueillis par M. Thorent dans les couches a nummulines des environs de Bayonne. Memoire de la Societe geologique de France 2 (2): 189-217.", "ARCHIAC A. D' 1850a. - Description des fossiles du groupe nummulitique recueillis par M. S. P. Pratt et M. J. Delbos aux environs de Bayonne et de Dax. Memoire de la Societe geologique de France 2 (3): 397-456.", "ARCHIAC A. D' 1850b. - Histoire des progres de la geologie de 1834 a 1849. Tome 3: Formation nummulitique, Roches ignees ou pyrogenes des epoques quaternaire et tertiaire. Societe geologique de France, Paris, 624 p.", "BARTA- CALMUS S. 1973. - Revision de collections de Madreporaires provenant du Nummulitique du sud-est de la France, de l'Italie et de la Yougoslavie septentrionale. These, Universite Paris VI, France, 694 p.", "BAYAN F. 1870a. - Sur les terrains tertiaires de la Venetie. Bulletin de la Societe geologique de France 2 (27): 444-486.", "BAYAN F. 1870b. - Etudes faites dans la collection de l'Ecole des Mines sur des fossiles nouveaux ou mal connus. 1er fascicule : Mollusques tertiaires. Savy, Paris, 81 p.", "BAYAN F. 1873. - Etudes faites dans la collection de l'Ecole des Mines sur des fossiles nouveaux ou mal connus. 2e fascicule : Notes sur quelques fossiles tertiaires. Savy, Paris: 91-136.", "BEAUVAIS L. 1964. - Etude stratigraphique et paleontologique des formations a madreporaires du Jurassique superieur du Jura et de l'est du Bassin de Paris. Memoires de la Societe geologique de France 43 (1): 5-287.", "BEAUVAIS L. 1967. - Revision des Madreporaires du Dogger des collections A. d'Orbigny et H. Michelin conservees au Museum national d'Histoire naturelle de Paris. Memoires de la Societe geologique de France 46 (1): 7-54.", "BEAUVAIS L. 1972. - Contribution a l'etude de la faune bathonienne de la vallee de la Creuse (Indre). Annales de Paleontologie 58 (1): 35-98.", "BELLARDI L. 1850. - Liste des fossiles de la formation nummulitique du Comte de Nice. Bulletin de la Societe geologique de France 2 (7): 678-683.", "BELLARDI L. 1852. - Catalogue raisonne des fossiles nummulitiques du Comte de Nice. Memoire de la Societe geologique de France 2 (4): 205-300.", "BENFRIKA M. EL 1994. - Systematique, biogeographie et ecologie des Pleurotomariides post-paleozoIques. These, Universite Paris-Sud, Orsay, France, 160 p.", "BIELER R. & PETIT R. E. 2005. - Catalogue of Recent and fossil taxa of the family Architectonicidae Gray, 1850 (Mollusca: Gastropoda). Zootaxa 1101: 1-119.", "BODELLE J., CAMPREDON R. & LANTEAUME M. 1968. - Excursions dans les Alpes-Maritimes et les Basses-Alpes. Colloque sur l'Eocene, 21-22 mai 1968. Bureau de Recherches geologiques et minieres, Orleans, 73 p.", "BOUCHET P. & ROCROI J.-P. 2005. - Classification and nomenclator of gastropod families. Malacologia 47 (1-2): 1-397.", "BOUCHET P. & RUTZLER K. 2003. - Case 3211: Clionidae d'Orbigny, 1851 (Porifera, Hadromerida): proposed emendment of spelling to Clionaidae to remove homonymy with Clionidae Rafinesque, 1815 (Mollusca, Pteropoda). Bulletin of Zoological Nomenclature 60 (2): 99-102.", "BOUSSAC J. 1909. - Crassatella subtumida Bellardi, 1852. Palaeontologia Universalis, Centuria 2, 2 (4): fiches 151-151a. .", "BOUSSAC J. 1910a. - Fusus subcarinatus roncanus Brongniart, 1823. Palaeontologia Universalis, Centuria 2, 3 (1) : fiches 162-162a.", "BOUSSAC J. 1910b. - Fusus polygonus roncanus Brongniart, 1823. Palaeontologia Universalis, Centuria 2, 3 (1) : fiches 171-171a.", "BOUSSAC J. 1910c. - Corbis pectunculus Lamarck, 1818. Palaeontologia Universalis, Centuria 2, 3 (2) : fiches 189-189a.", "BOUSSAC J. 1911a. - Etudes stratigraphiques et paleontologiques sur le Nummulitique de Biarritz. Annales Hebert. Annales de Stratigraphie et de Paleontologie du Laboratoire de Geologie de la Faculte des Sciences de l'Universite de Paris 5: 1-96.", "BOUSSAC J. 1911b. - Etudes paleontologiques sur le Nummulitique alpin. Memoires pour servir a l'Explication de la Carte geologique detaillee de la France: 1-437.", "BOUSSAC J. 1912. - Terebra vulcani Brongniart, 1823. Palaeontologia Universalis, Centuria 3, 4 (1) : fiches 249-249a.", "BRARD P. 1810. - Sur les lymnees fossiles des environs de Paris, et sur les autres coquilles qui les accompagnent. Annales du Museum d'Histoire naturelle 15: 406-421.", "BRONGNIART A. 1810. - Sur des terrains qui paroissent avoir ete formes sous l'eau douce. Annales du Museum d'Histoire naturelle 15: 357-405.", "BRONGNIART A. 1823. - Memoire sur les terrains de sediments superieurs calcareo-trappeens du Vicentin et sur quelques terrains d'Italie, de France, de l'Allemagne, etc. qui peuvent se rapporter a la meme epoque. Levrault, Paris, 86 p.", "BUFFON G. L. LECLERC DE 1786. - Histoire naturelle des mineraux, in Histoire generale et particuliere avec la description du cabinet du Roi. Tome 4. Imprimerie royale, Paris, 492 p.", "CAHUZAC B., LESPORT J.-F. & LAGARDE L. 2004. - Revision des Cancellariidae (Mollusca, Gastropoda) decrites par Grateloup (1827-1847) dans le Miocene des Landes (SW France). Geodiversitas 26 (2): 207-261.", "CAHUZAC B., DUPUY J.-P. & LAVERGNE G. 2005. - Revision des oursins fossiles d'Aquitaine decrits par Grateloup en 1836, et en partie retrouves dans sa collection conservee a l'Universite de Bordeaux-1. Cossmanniana 10 (1-4): 1-79.", "CANU F. 1910-1923. - Types du Prodrome de Paleontologie stratigraphique universelle d'Alcide d'Orbigny. 1, Bajocien. Annales de Paleontologie 5 (1910): 74- 78 (102-106) + pls 10-11 (20-21); 8 (1913): 96-99 (168-171) + pls 4-5 (30-31); 12 (1923): 152-155 (180-183).", "CANU F. 1927-1932. - Types du Prodrome de Paleontologie stratigraphique universelle d'Alcide d'Orbigny. 2, Callovien, Oxfordien, Corallien, Portlandien. Annales de Paleontologie 16 (1927): 102 (34) + pl. 13 (43); 17 (1928): 54-55 (70-71) + pl. 7 (49); 20 (1931): 4-9 (136-141) + pl. 1 (58); 21 (1932): 13-14 (205- 206);+ pl. 2 (67).", "CHELOT M. 1885. - Rectification pour servir a l'etude de la faune eocene du bassin de Paris. Bulletin de la Societe geologique de France 3 (13): 191-203.", "CHENU J. C. 1859. - Manuel de Conchyliologie et de Paleontologie conchyliologique, tome 1. Masson, Paris, 508 p.", "CINZ 1961. - Code international de nomenclature zoologique. 1e ed. International Trust for Zoological Nomenclature. The Natural History Museum, Londres, 176 p.", "CINZ 1999. - Code international de nomenclature zoologique. 4e ed. International Trust for Zoological Nomenclature. The Natural History Museum, Londres, v-xxix + 306 p.", "CINZ 2003. - Declaration 44. Amendment of article 74.7.3. Bulletin of Zoological Nomenclature 60 (4): 263.", "CORROY G. 1925. - Le Neocomien de la bordure orientale du Bassin de Paris. Coube & Fils, Nancy, 336 p.", "COSSMANN M. 1886. - Catalogue illustre des coquilles fossiles de l'Eocene des environs de Paris. 1er fascicule. Annales de la Societe royale malacologique de Belgique 21: 1-174.", "COSSMANN M. 1887. - Catalogue illustre des coquilles fossiles de l'Eocene des environs de Paris. 2e fascicule. Annales de la Societe royale malacologique de Belgique 22: 1-218.", "COSSMANN M. 1888. - Catalogue illustre des coquilles fossiles de l'Eocene des environs de Paris. 3e fascicule. Annales de la Societe royale malacologique de Belgique 23: 3-328.", "COSSMANN M. 1889. - Catalogue illustre des coquilles fossiles de l'Eocene des environs de Paris. 4e fascicule. Annales de la Societe royale malacologique de Belgique 24 : 1-385.", "COSSMANN M. 1896a. - Catalogue illustre des coquilles fossiles de l'Eocene des environs de Paris. Appendice n\u00b0 2. Annales de la Societe royale malacologique de Belgique 31: 1-94.", "COSSMANN M. 1896b. - Essais de paleoconchologie comparee. Deuxieme livraison. L'auteur, Paris, 1796 p.", "COSSMANN M. 1898a. - Mollusques eoceniques de la Loire-Inferieure, tome 1, fascicule 3. Bulletin de la Societe des Sciences naturelles de l'Ouest de la France 7 (4): 297-358.", "COSSMANN M. 1898b. - Estudio de algunos moluscos eocenos del Pirineo catalan. Boletin de la Comision del Mapa Geologico de Espana 23: 167-198.", "COSSMANN M. 1906. - Essais de paleoconchologie comparee. Septieme livraison. L'auteur; Rudeval, Paris, 261 p.", "COSSMANN M. 1907. - Catalogue illustre des coquilles fossiles de l'Eocene des environs de Paris. Appendice n\u00b0 4. Annales de la Societe royale zoologique et malacologique de Belgique 41: 182-286.", "COSSMANN M. 1913. - Catalogue illustre des coquilles fossiles de l'Eocene des environs de Paris. Appendice n\u00b0 5. Annales de la Societe royale zoologique et malacologique de Belgique 49: 19-238.", "COSSMANN M. 1917. - Eocene de Bretagne. Faune de Bois-Gouet. Atlas paleontologique. Hermann & Fils, Paris: pls 1-19 [preface et legendes reactualisees de Cossmann de l' Atlas paleontologique publie par Vasseur en 1882].", "COSSMANN M. 1923. - Description des mollusques, in O'GORMAN G., Le gisement cuisien de Gan (Basses- Pyrenees). L'auteur, Pau: 1-188.", "COSSMANN M. & PISSARRO G. 1910. - Iconographie complete des coquilles fossiles de l'Eocene des environs de Paris. Tome II (pars). Hermann, Paris: pls 10-25.", "COSSMANN M. & PISSARRO G. 1911. - Iconographie complete des coquilles fossiles de l'Eocene des environs de Paris. Tome II (pars). Hermann, Paris: pls 26-45.", "COTTREAU J. 1912-1932. - Types du Prodrome de Paleontologie stratigraphique universelle d'Alcide d'Orbigny. 2, Callovien-Portlandien. Annales de Paleontologie 8 (1912): pls 9-10 (35-36); 14 (1925): 133-164 (1-32) + pls 16-20 (37-41); 16 (1927): 101-132 (33-64) + pls 12-16 (42-46); 17 (1928): 49-80 (65-96) + pls 5- 9 (47-51); 18 (1929): 141-176 (97-132) + pls 15-20 (52-57); 20 (1931): 1-40 (133-172) + pls 1-4 (58-61); 20 (1931): 165-184 (173-192) + pls 17-20 (62-65); 21 (1932): 1-30 (193-222) + pls 1-3 (66-68).", "COTTREAU J. 1934-1937. - Types du Prodrome de Paleontologie stratigraphique universelle d'Alcide d'Orbigny. 3, Neocomien. Annales de Paleontologie 23 (1934): pp. 45-80 (1-36) + pls 7-10 (69-72); 24 (1935): pp. 33-48 (37-52) + pls 4-6 (73-75); 26 (1937): 17-48 (53-84) + pls 2-7 (76-81).", "DEFRANCE J. 1826. - Dictionnaire des sciences naturelles. Tome 39 (perroq-phoq). Levrault, Paris, 559 p.", "DELPEY G. 1941. - Histoire du genre Campanile. Annales de Paleontologie 29: 3-25.", "DESHAYES G.-P. 1824. - Description des coquilles fossiles des environs de Paris. Tome 2. Livraisons 2, 4 et 6. Levrault, Paris, 80 p.", "DESHAYES G.-P. 1825a. - Anatomie et Monographie du genre Dentale. Memoires de la Societe d'Histoire naturelle de Paris 2: 1-58.", "DESHAYES G.-P. 1825b. - Description des coquilles fossiles des environs de Paris. Tome 2. Livraisons 8, 10 et 12. Levrault, Paris: 81-162.", "DESHAYES G.-P. 1829. - Description des coquilles fossiles des environs de Paris. Tome 1. Livraisons 14-16. Levrault, Paris: 161-240.", "DESHAYES G.-P. 1830. - Description des coquilles fossiles des environs de Paris. Tome 1. Livraisons 17-22. Levrault, Paris: 241-322.", "DESHAYES G.-P. 1831. - Description de coquilles caracteristiques des terrains. Levrault, Paris, 264 p.", "DESHAYES G.-P. 1832. - Encyclopedie Methodique. Histoire naturelle des Vers. Tome 2, fascicule 2. Agasse, Paris, 594 p.", "DESHAYES G.-P. 1833. - Description des coquilles fossiles des environs de Paris. Tome 2. Livraisons 30-36. Levrault, Paris: 291-429.", "DESHAYES G.-P. 1834. - Description des coquilles fossiles des environs de Paris. Tome 2. Livraisons 37-39. Levrault, Paris: 430-494.", "DESHAYES G.-P. 1835. - Description des coquilles fossiles des environs de Paris. Tome 2. Livraisons 40-45. Levrault, Paris: 495-780.", "DESHAYES G.-P. 1850. - Traite elementaire de Conchyliologie, avec les applications de cette science a la geologie. Tome premier, seconde partie : Conchiferes dimyaires. Masson, Paris: 129-824.", "DESHAYES G.-P. 1857. - Description des animaux sans vertebres decouverts dans le bassin de Paris. Tome 1. Livraisons 3-10. Bailliere, Paris: 81-392.", "DESHAYES G.-P. 1862. - Description des animaux sans vertebres decouverts dans le bassin de Paris. Tome 2. Livraisons 29-32. Bailliere, Paris: 433-640.", "DESHAYES G.-P. 1863. - Description des animaux sans vertebres decouverts dans le bassin de Paris. Tome 2. Livraisons 33-38. Bailliere, Paris: 641-920.", "DESHAYES G.-P. 1864. - Description des animaux sans vertebres decouverts dans le bassin de Paris. Tome 2. Livraisons 39-40. Bailliere, Paris: 921-968.", "DESHAYES G.-P. 1865. - Description des animaux sans vertebres decouverts dans le bassin de Paris. Tome 3. Livraisons 45-50. Bailliere, Paris: 201-668.", "DESORS E. 1845. - Conchyliologie mineralogique de la Grande-Bretagne par James Sowerby, traduit de l'anglais, avec un avant-propos et des notes contenant de nombreuses additions et rectifications par L. Agassiz. Jent & Gassmann, Soleure, 336 p.", "DHONDT A. & FRENEIX S. 2002. - Cretaceous bivalves and Alcide d'Orbigny, in Alcide d'Orbigny.2: Voyageur naturaliste et systematicien. Comptes Rendus Palevol 1 (7): 555-564.", "DONCIEUX L. 1911. - Catalogue descriptif des fossiles nummulitiques de l'Aude et de l'Herault. Deuxieme partie (fascicule 2) : Corbieres septentrionales. Annales de l'Universite de Lyon 30: 1-142.", "DOUVILLE H. 1904. - Mission scientifique en Perse de J. de Morgan, tome III, Etudes geologiques, partie 4 : Paleontologie. Mollusques fossiles. Leroux, Paris: 191-380.", "DOUVILLE H. & O'GORMAN G. 1929. - L'Eocene du Bearn. Bulletin de la Societe geologique de France 4 (29): 329-390.", "DUNCAN P. M. 1880. - Sind fossil Corals and Alcyonaria. Memoirs of the Geological Survey of India. Palaeontologia Indica 14, 1 (1): 1-110.", "DUNCAN P. M. 1884. - A revision of the families and genera of the sclerodermic Zoantharia Edwards & Haime or Madreporaria (M. rugosa excepted). Linnean Society's Journal 1: 1-204.", "FISCHER J.-C. 1994. - Revision critique de la Paleontologie francaise d'Alcide d'Orbigny incluant la reedition de l'original. Volume 1 : Cephalopodes jurassiques. Masson, Paris, 340 p.", "FISCHER J.-C. 2006. - Marcellin Boule et les types du Prodrome d'Alcide d'Orbigny. Annales de Paleontologie 92 (2): 129-136.", "FISCHER J.-C. & GAUTHIER H. 2006. - Revision critique de la Paleontologie francaise d'Alcide d'Orbigny incluant la reedition de l'original. Volume 4: Cephalopodes cretaces. Backhuys, Leyde, 292 p.", "FISCHER J.-C. & WEBER C. 1997. - Revision critique de la Paleontologie francaise d'Alcide d'Orbigny incluant la reedition de l'original. Volume 2 : Gastropodes jurassiques. Masson, Paris, 246 p.", "FISCHER P. 1868. - Recherches sur les eponges perforantes fossiles. Nouvelles Archives du Museum d'Histoire naturelle de Paris 4: 117-172.", "FISCHER P. 1878. - Notice sur la vie et les travaux d'Alcide d'Orbigny. Bulletin de la Societe geologique de France 3 (6): 434-453.", "FRIZZELL D. L. 1933. - Terminology of types. American Midland Naturalist 14 (6): 637-668.", "GABILLY J. 1976. - Evolution et systematique des Phymatoceratinae et des Grammoceratinae (Hildocerataceae, Ammonitina) de la region de Thouars, stratotype du Toarcien. Memoires de la Societe geologique de France nouvelle serie 124 (54): 1-196.", "GAUDRY A. 1859. - Alcide d'Orbigny, ses voyages et ses travaux. Revue des deux Mondes 19: 816-847.", "GLIBERT M. 1963a. - Les Mesogastropoda fossiles du Cenozoique etranger des collections de l'Institut royal des Sciences naturelles de Belgique. Deuxieme partie : Fossaridae a Ficidae (inclus). Memoires de l'Institut royal des Sciences naturelles de Belgique 2 (73): 1-154.", "GLIBERT M. 1963b. - Les Muricacea et les Buccinacea du Cenozoique etranger des collections de l'Institut royal des Sciences naturelles de Belgique. Memoires de l'Institut royal des Sciences naturelles de Belgique 2 (74): 1-179.", "GOLDFUSS G. A. 1836. - Petrefacta Germaniae, tam ea quae in Museo Universitatis regio Borussicae Fridericiae Wilhelmiae Rhenanae servantur quam alia quaecunque in Museis Hoeninghusiano Muensterniano aliisque extant inconibus et descriptionibus illustrata. Part. 2 Dusseldorf: 69-140.", "GRANGE C. 1956. - Contribution a l'etude des Polypiers de Faudon (Hautes-Alpes). Diplome d'Etudes Superieures, Sorbonne, Paris, France, 88 p.", "GRATELOUP S. DE 1828. - Tableau des coquilles fossiles qu'on rencontre dans les terrains calcaires tertiaires (faluns) des environs de Dax, dans le departement des Landes. 2e article. Bulletin d'Histoire naturelle de la Societe linneenne de Bordeaux 2 (10): 123-158.", "GRATELOUP S. DE 1832. - Tableau des coquilles fossiles qu'on rencontre dans les terrains calcaires tertiaires (faluns) des environs de Dax, dans le departement des Landes. 5e article. Actes de la Societe linneenne de Bordeaux 5 (28): 263-282.", "GRATELOUP S. DE 1846. - Conchyliologie fossile des terrains tertiaires du bassin de l'Adour (environ de Dax). Tome 1. Univalves. Lafargue, Bordeaux, 48 pls.", "GRAVES L. 1847. - Essai sur la topographie geognostique du departement de l'Oise. Desjardin, Beauvais, 804 p.", "GREGORIO A. DE 1896. - Description des faunes tertiaires de la Venetie. Monographie de la faune eocenique de Ronca avec un appendice sur les fossiles de Monte Pulli. Annales de Geologie et de Paleontologie 21: 5-163.", "HEBERT E. & RENEVIER E. 1854. - Description des fossiles du terrain nummulitique superieur des environs de Gap, des Diablerets et de quelques localites de la Savoie. Bulletin de la Societe de Statistique du Departement de l'Isere 2 (3): 1-88.", "JUNG P. 1974. - A revision of the family Seraphsidae (Gastropoda: Strombacea). Palaeontographica Americana 8 (47): 5-52.", "KECSKEMETINE- KORMENDY A. 1972. - A Dorogimedence eocen molluszka faunaja [= Faune de mollusques eocenes du Bassin de Dorog]. A Magyar Allami Foldtani Intezet Evkonyve 55 (2): 147-285 (en hongrois).", "KECSKEMETINE- KORMENDY A. 1980. - Az eszakkeleti- Bakony eocen medence faciesenek Puhatestu faunaja [= La faune de mollusques du facies de bassin eocene du Bakony nord-oriental]. Annales Intituti Geologici Publici Hungarici 63 (3): 8-180 (en hongrois).", "KOLLMANN H. 2005. - Revision critique de la Paleontologie francaise d'Alcide d'Orbigny incluant la reedition de l'original. Volume 3: Gastropodes cretaces. Backuys, Leyde, 239 p.", "LAMARCK J.-B. DE 1804. - Memoires sur les fossiles des environs de Paris (suite). Annales du Museum d'Histoire naturelle 5: 28-36.", "LAMARCK J.-B. DE 1805. - Memoires sur les fossiles des environs de Paris (suite). Annales du Museum d'Histoire naturelle 6: 407-415.", "LAMARCK J.-B. DE 1806a. - Memoires sur les fossiles des environs de Paris (suite). Annales du Museum d'Histoire naturelle 7: 419-430.", "LAMARCK J.-B. DE 1806b. - Explication des planches relatives aux coquilles fossiles des environs de Paris. Annales du Museum d'Histoire naturelle 8: 383-388, pls 11-14 [59-62].", "LAMARCK J.-B. DE 1818. - Histoire des animaux sans vertebres. Tome 5. Lanoe, Paris, 612 p.", "LAMARCK J.-B. DE 1819. - Histoire des animaux sans vertebres. Tome 6. Lanoe, Paris, 343 p.", "LAMARCK J.-B. DE 1823. - Recueil de planches des coquilles fossiles des environs de Paris avec deux planches des lymnees fossiles, et autres coquilles qui les accompagnent, des environs de Paris par M. Brard. Dufour & d'Ocagne, Paris, 30 pls.", "LANDAU B., MARQUET R. & GRIGIS M. 2003. - The Early Pliocene Gastropoda (Mollusca) of Estepona, Southern Spain. 1. Vetigastropoda. Palaeontos 3: 1-87.", "LAURIAT- RAGE A. 2002. - La collection d'invertebres fossiles d'Alcide d'Orbigny et la salle d'Orbigny, in Alcide d'Orbigny. 2: Voyageur naturaliste et systematicien. Comptes Rendus Palevol 1 (7): 615-627.", "LEYMERIE A. 1846. - Memoire sur le terrain a Nummulites (epicretace) des Corbieres et de la Montagne

Seven species of marine bivalves, including six new taxa, are described from the Cape early Miocene Melville Formation which crops out on the Melville Peninsula, King George Island, West Antarctica. The bivalve assemblage includes representatives of the families Nuculidae, Ennucula frigida sp. nov., E. musculosa sp. nov.; Malletidae, Neilo (Neilo) rongelii sp. nov.; Sareptidae, Yoldia peninsularis sp. nov.; Limopsidae, Limopsis psimolis sp. nov.; Hiatellidae, Panopea (Panopea) sp. cf. P. regularis; and Pholadomyoida (Periploma acuta sp. nov.). Species studied come from four sedimentary sections measured in the upper part of the unit. Detailed morphologic features of nucloid and arcoid species are exceptionally well preserved and allow for the first time reconstruction of muscle insertions as well as dentition patterns of Cenozoic taxa. Known geological distribution of the species is in agreement with the early Miocene age assigned to the Cape Melville Formation. The bivalve fauna from Cape Melville Format...

The functional and adaptive morphology of six species of the genus Limopsis from deep water of the Atlantic is investigated and the following species and subspecies are described: L. aurita, L. surinamensis (new species), L. tenella, L. minuta, L. cristata cristata, L. cristata affinis, L. cristata intermedia (new subspeices), L. cristata lanceolata (new subspecies), L. galathea . Species of the genus Limopsis are among the relatively few suspension-feeding bivalves of the deep sea. The genus is not represented in shelf faunas. It is byssate, but the species described here show a change in habit from the exobyssate to the endobyssate condition and a corresponding reduction in the number and coarseness of the byssus threads produced. While the morphology of the species is similar in all the species described, differences being restricted to minor variation in the gills and palps, the viscera are confined to a small dorsal portion of the mantle cavity. Thus, while small body size is related to the paucity of food, production of a large thick shell may require a relatively small proportion of the energy input and yet confer advantage possibly in protection and in feeding mechanism. Eggs are relatively few and of a size indicating that the larvae are planktonic but non-feeding. The widely occurring species L. tenella shows differences in the shell characters of different populations. In L. cristata variation is such that it has been possible to describe subspecies.

Summary. 1 The internal structure and the ciliary sorting mechanisms of the stomach are described for representatives of twelve families of Filibranchia and Pseudolamellibranchia. 2 The variable structural features of the stomach are examined individually, and it is shown that only one of these is suitable for use as a diagnostic in assigning the stomachs of these lamellibranchs to a limited number of types. This feature is the form of the major typhlosole. 3 The major typhlosole may sweep smoothly from the orifice of the mid-gut to that of the left pouch, accompanied on its course by the ciliated rejection tract of the intestinal groove. Alternatively a long slender tongue may pass forwards from the major typhlosole and penetrate deeply into the food-sorting caecum, this tongue being accompanied by a similar extension of the intestinal groove. No intermediate condition was found, and on this basis the stomachs in eight families were assigned to Type III, in which the major typhlosole possesses such a tongue. These families are the Arcidae, Glycimeridae, Limopsidae, Pinnidae, Vulsellidae, Pteriidae, Mytilidae and Ostreidae. 4 It is considered that the evolution of a tongue of the major typhlosole, extending into the food-sorting caecum, could not have occurred independently on two or more occasions, nor is it likely that such a tongue, once having been formed, could have been lost independently on two or more occasions. It is concluded, therefore, that the above mentioned eight families constitute the end products of one phylogeny of lamellibranchs. 5 In the remaining four families, the Trigoniidae, Limidae, Pectinidae and Anomiidae, the major typhlosole lacks a tongue. The stomachs in these four families are assigned to Type IV, and attention is drawn to the fact that in many Eulamellibranch families the internal structure of the stomach is similar. 6 It is suggested that evolution of the structure and function of the interior of the stomach has played an important part in the adaptive radiation of the Lamellibranchia. 7 It is reiterated that the Protobranchia constitute a phylogeny which is distinct from all other lamellibranchia and that it is undesirable to link the Protobranchia with the Arcacea to form the order Taxodonta.

Examination of the structure of species ofNucula,Leda,YoldiaandSolenomyaled Pelseneer (1891), in his classic work on the morphology of the Lamellibranchia, to establish for their inclusion the order Protobranchia. He regarded them as in almost all respects a primitive group, and Stempell (1898 a, 1898 b, 1899) came to very similar conclusions. Later (1898, 1911) Pelseneer extended his work on these animals, grouping all recent species in the three families Solenomyidae, Nuculidae and Ledidae ( = Nuculanidae). On the other hand, Neumayr (1891), on the basis of the hinge characters, grouped all but the first of these families with the Arcidae, Glycymeridae and Limopsidae in the order Taxodonta. Thiele (1934) elaborated this classification, dividing the Taxodonta into two divisions, Nuculacea and Arcacea, and subdividing the former into the four families Nuculidae, M alletiidae, Ledidae ( = Nuculanidae) and Solenomyidae. Finally, Douville (1912), in his illuminating sketch of a possible classification of the Lamellibranchia, regarded the Nuculidae and the Nuculanidae as affording some indication of the original characters of those Lamellibranchia which took to a more or less active life on the sea bottom, and the Solenomyidae as representing to some extent ancestral conditions to those which assumed life in burrows. Douville’s views have been well summarized by Davies (1933, I935).* Verrill and Bush (1897, 1898) have given the best account of the shell characters of the Protobranchia, while knowledge of m any aspects of their morphology has recently been extended by Heath (1937).