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8,443 results for “Gastropoda”
Aquatic Mollusca (Gastropoda and Bivalvia) from the Malaysian Borneo: A bibliographic records
<p>This data set contains the available aquatic Mollusca reported from Malaysian Borneo (East Malaysia) comprised of two provinces namely Sarawak and Sabah along with the federal territory of Labuan. </p>
Aquatic Mollusca (Gastropoda and Bivalvia) from the Malaysian Borneo: The inconsistency records
<p>This data set contains the available taxonomic inconsistencies of aquatic Mollusca (Gastropoda and Bivalvia) reported from Malaysian Borneo (East Malaysia) comprised of two provinces namely Sarawak and Sabah along with the federal territory of Labuan. </p>
TABLE 2 in First evidence of cannibalism in Crassimurex (s. s.) calcitrapa (Lamarck, 1803) (Gastropoda, Muricidae) from the Lutetian of the Paris Basin (France)
<p>TABLE 2. — Morphological and functional patterns of holes associated with gastropod and <i>Octopus</i> predation (modified from Gordillo <i>et al.</i> 2022).</p><table><thead><tr><th><b>Characteristic</b></th><th><b>Pattern A</b></th><th><b>Pattern B</b></th><th><b>Pattern C</b></th></tr></thead><tbody><tr><th>Shape</th><td>A hole, round to oval</td><td>Paired breaks</td><td>A hole, rounded to irregular</td></tr><tr><th>Outline character</th><td>Regular outline</td><td>Irregular breakage</td><td>Regular to irregular</td></tr><tr><th>Profile cross section</th><td>Straight or sloping sides or parabolic outline</td><td>Random breakage</td><td>Width and direction of hole vary with depth</td></tr><tr><th>Drill hole location</th><td>Primarily Abapertural, dorsal to ventral</td><td>Unspecified</td><td>Apertural, ventral to dorsal, parietal (left)</td></tr><tr><th>Produced by</th><td>Secretions of the ABO and rasping by the radula</td><td>Possible chemical softening and biting marks of upper and lower beaks</td><td>Secretion of salivary glands and rasping by radula and teeth of the papillary shield and terminal process</td></tr><tr><th>Potential predator</th><td>Drilling gastropods</td><td><i>Octopus</i></td><td><i>Octopus</i></td></tr><tr><th>Present in this sampling</th><td>Yes</td><td>No</td><td>No</td></tr></tbody></table>
FIG. 7 in A review of the genus Coccoglypta Pilsbry, 1895 (Gastropoda: Pulmonata: Camaenidae)
FIG. 7. — Shells of "Hemiplecta" species: A-D, Hemiplecta scrobiculata hupeiana (Gredler, 1887) (syntype, SMF 44672); E-I, Hemiplecta scrobiculata scrobiculata (Gredler, 1885), SMF 42575; J-H, Hemiplecta laotica (Möllendorff, 1899) (holotype, SMF 226681). Scale bars: 10 mm; I-J not to scale.
FIG. 4 in A review of the genus Coccoglypta Pilsbry, 1895 (Gastropoda: Pulmonata: Camaenidae)
FIG. 4. — Inner structure of the genitalia of Coccoglypta liui Páll-Gergely, n. sp. (holotype, HNHM 103475): A, penis; B, vagina. Genital atrium situated leftwards in both images. Scale bar: 5 mm.
FIG. 1 in Four new cyclophoroid species from Thailand and Laos (Gastropoda: Caenogastropoda: Alycaeidae, Diplommatinidae, Pupinidae)
FIG. 1. — Shells of Dicharax Kobelt & Möllendorff, 1900 species: A-E, Dicharax caudapiscis n. sp. (holotype); F-K, Dicharax stuparum n. sp. (holotype). Photograph: Barna Páll-Gergely. Scale bars: A-C, F-H, 1 mm; D, 300 μm; E, K, 100 μm; I, J, 500 μm.
Abb. 1-5 in Nachweise von Charpentieria itala (M , 1824) in Salzburg (Gastropoda, Clausiliidae)
Abb. 1-5: Charpentieria itala (1) lebend am Petersfriedhof; (2) Fundort bei Steinmetz Mayer; (3) Fundort alte Mauer am Petersfriedhof; (4) Schale vom Kommunalfriedhof; (5) Schale vom Petersfriedhof, Massstab jeweils 5 mm.
FIG. 1 in Rediscovery of Obeliscus agassizi Pilsbry, 1906 (Gastropoda, Subulinidae, Obeliscinae), annotated checklist of species of Obeliscus Beck, 1837 and first description of the anatomy for the genus
FIG. 1. — Obeliscus agassizi Pilsbry, 1906 shell and living specimen: A, SEM of apex in profile; B, same, middle region of teleoconch; C, same, last whorl, frontal view, asterisk showing epiphragm; D-F, living crawling specimen, shell length c. 6 mm; G, detail of suture of protoconch, SEM; H, detail of epiphragm insertion on body whorl. Scale bars: A-C, 1 mm; G, 0.15 mm; H, 0.1 mm.
Fig. 12 in Revision of the aperturally dentate Charopidae (Gastropoda: Stylommatophora) of southern Africa - genus Afrodonta s. lat., with description of five new genera, twelve new species and one new subspecies
Fig. 12. Shells of Costulodonta gen. nov. species. A–D. C. pluridens gen. et sp. nov., holotype, diameter 1.8 mm (NMSA V5920/T4267). E–G. C. trilamellaris (Melvill & Ponsonby, 1908) gen. et comb. nov., paralectotype, Dargle, KwaZulu-Natal, diameter 1.45 mm (NMSA 2181/T624).
Fig. 11 in Revision of the aperturally dentate Charopidae (Gastropoda: Stylommatophora) of southern Africa - genus Afrodonta s. lat., with description of five new genera, twelve new species and one new subspecies
Fig. 11. Distribution of Costulodonta gen. nov. species. C. acinaces (Connolly, 1933) gen. et comb. nov. (green square), C. bidens gen. et sp. nov. (turquoise squares), C. burnupi (Connolly, 1933) gen. et comb. nov. (orange square) C. pluridens gen. et sp. nov. (pink squares), C. trilamellaris (Melvill & Ponsonby, 1908) gen. et comb. nov. (royal blue square). Contour at 1000 m.
Fig. 9 in Revision of the aperturally dentate Charopidae (Gastropoda: Stylommatophora) of southern Africa - genus Afrodonta s. lat., with description of five new genera, twelve new species and one new subspecies
Fig. 9. Distribution of Amatholedonta bimunita (Connolly, 1939) gen. et comb. nov. (green circles), Am. fordycei gen. et sp. nov. (blue circles) and Biomphalodonta forticostata gen. et sp. nov. (orange squares). Contour at 1000 m.
Fig. 8 in Revision of the aperturally dentate Charopidae (Gastropoda: Stylommatophora) of southern Africa - genus Afrodonta s. lat., with description of five new genera, twelve new species and one new subspecies
Fig. 8. Shells of Amatholedonta gen. nov. and Biomphalodonta gen. nov. species. A–D. Amatholedonta bimunita (Connolly, 1939) gen. et comb. nov., Hogsback, E. Cape, diameter 2.0 mm (NMSA W6658). E–H. Am. fordycei gen. et sp. nov., holotype, diameter 1.84 mm (NMSA W6668/T4270). I–L. Biomphalodonta forticostata gen. et sp. nov., holotype, diameter 2.13 mm (NMSA V6949/T4261). M–O. B. forticostata gen. et sp. nov., paratype, large specimen, diameter 2.7 mm (NMSA V4886/T4262).
Fig. 7 in Revision of the aperturally dentate Charopidae (Gastropoda: Stylommatophora) of southern Africa - genus Afrodonta s. lat., with description of five new genera, twelve new species and one new subspecies
Fig. 7. Shells of Afrodonta species. A–D. Afrodonta pentodon sp. nov., holotype, diameter 1.45 mm (NMSA V6950/T4239). E–G. Afrodonta unilamellaris Connolly, 1933, Mfongosi, KwaZulu-Natal, diameter 1.52 mm (NMSA A9186).
Fig. 7. A–F in Perotrochus caledonicus (Gastropoda: Pleurotomariidae) revisited: descriptions of new species from the South-West Pacific
Fig. 7. A–F. Perotrochus caledonicus Bouchet & Métivier, 1982. A–B. MNHN-IM-2000-1262, holotype (H = 31.2 mm). C–D. MNHN-IM-2007-36300 (H = 51.2 mm). E–F. MNHN-IM-2007-36301 (H = 47.5 mm). — G–L. Perotrochus deforgesi Métivier, 1990. G–H. MNHN-IM-2000-1391, holotype (H = 33.9 mm). I–J. MNHN-IM-2007-32062 (H = 33.7 mm). K–L. MNHN-IM-2007-32085 (H = 25.1 mm).
Fig. 3 in Perotrochus caledonicus (Gastropoda: Pleurotomariidae) revisited: descriptions of new species from the South-West Pacific
Fig. 3. Perotrochus wareni sp. nov., MNHN-IM-2007-36460, holotype (H = 50.3 mm). A–D. Teleoconch. E. Slit. F. Protoconch.
Fig. 6. A. Conus exiguus var. optimus Sowerby, 1913, 35.3 in Conus hughmorrisoni, a new species of cone snail from New Ireland, Papua New Guinea (Gastropoda: Conidae)
Fig. 6. A. Conus exiguus var. optimus Sowerby, 1913, 35.3 mm. Point Parme, New Caledonia. FL. B. Conus exiguus var. bougei Sowerby, 1907, 20.3 mm. Poum, N. New Caledonia. FL. C. Conus exiguus var. cabritii Bernardi, 1858, 22.0 mm. Northern New Caledonia. FL. D. Conus sp. cf. exiguus, 18.0 mm. Apia, Western Samoa. From Röckel et al. (1995), pl. 72, figs 14–15. E–F. Conus hanshassi (Lorenz & Barbier, 2012). E. 23.4 mm. Siargao Is., Philippines. Holotype, MNHN-IM-2000-24814. F. 22.9 mm. Siargao Is., Philippines. Paratype 1, FL.
Fig. 3 in Conus hughmorrisoni, a new species of cone snail from New Ireland, Papua New Guinea (Gastropoda: Conidae)
Fig. 3. Conus hughmorrisoni sp. nov. A–B. Paratype 2, 12.55 mm. C. Operculum of paratype 5. D–F. Radula of paratype 3.
Fig. 2 in Conus hughmorrisoni, a new species of cone snail from New Ireland, Papua New Guinea (Gastropoda: Conidae)
Fig. 2. Conus hughmorrisoni sp. nov. A. Holotype, 20.4 mm. B–C. Paratype 1, 13.25 mm. B. Teleoconch. C. Protoconch (scale bar = 0.5 mm). D. Paratype 2, 12.55 mm. E. Paratype 3, 16.5 mm. F–G. Paratype 4, 10.8 mm. F. Teleoconch. G. Top view. H. Paratype 5, 14.15 mm. All pictures by Manuel Caballer Gutierrez (credits project E-Recolnat, MNHN).
Fig. 5 in Perotrochus caledonicus (Gastropoda: Pleurotomariidae) revisited: descriptions of new species from the South-West Pacific
Fig. 5. Perotrochus pseudogranulosus sp. nov., MNHN-IM-2009-7495, holotype (H = 54.3 mm). A–D. Teleoconch. E. Slit. F. Protoconch.
Fig. 1 in Conus hughmorrisoni, a new species of cone snail from New Ireland, Papua New Guinea (Gastropoda: Conidae)
Fig. 1. Bayesian phylogenetic tree obtained with the COI gene. Posterior Probabilities (> 0.9) are shown above nodes).
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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