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8,443 results for “gastropoda”
FIGURE 4 in The subgenus Monilearia (Lyrula) Wollaston, 1878 (Gastropoda: Helicoidea: Cochlicellidae) from Lanzarote and Fuerteventura (Canary Islands), with the description of Monilearia (Lyrula) tubaeformis sp. nov.
FIGURE 4. Monilearia tubaeformis sp. nov. paratypes, showing the shell variability. A–B. from the type locality; C. from Vega de Río Palmas.
FIGURE 3 in A new Canariella species (Gastropoda: Helicoidea: Hygromiidae) of the new subgenus Majorata, both endemic to the Jandía Peninsula (Fuerteventura, Canary Islands)
FIGURE 3. Scatter plots of some shell measurements for Canariella jandiaensis sp. nov. and C. eutropis. Abbreviations same as in Fig. 2.
FIGURE 5. Genital system and details. A in A new Canariella species (Gastropoda: Helicoidea: Hygromiidae) of the new subgenus Majorata, both endemic to the Jandía Peninsula (Fuerteventura, Canary Islands)
FIGURE 5. Genital system and details. A. Canariella jandiaensis sp. nov., from Morro del Cavadero (an AIT paratype). B. C. eutropis, from Morro del Cavadero (taken from Ibáñez et al. 1995, fig. 38). a, general appearance of the whole genital system; at, atrium; ag, albumen gland; b, detail of the distal female duct; bc, bursa copulatrix; c, detail of the distal male duct; d, epiphalluspenis diagram (without scale); e, vaginal crosssection diagram; with arrangement of vaginal glands (without scale); ef, epiphallar fold; ep, epiphallus; f, detail of the evaginated penis; showing the penial papilla; fl, flagellum; o, free oviduct; p, penis; pi, pilaster; pp, penial papilla (also marked with asterisk); ps, pseudopapilla (also marked with arrow); r, retractor muscle; s, sheath; v, vagina; vd, vas deferens; vg, vaginal gland.
FIGURE 4. Shells and living specimens. A in A new Canariella species (Gastropoda: Helicoidea: Hygromiidae) of the new subgenus Majorata, both endemic to the Jandía Peninsula (Fuerteventura, Canary Islands)
FIGURE 4. Shells and living specimens. A. Canariella plutonia, from Vega de Río Palmas; B–C. C. jandiaensis sp. nov., from Morro del Cavadero; B. Holotype. D–E. C. eutropis from Solana del Ciervo. Scale bar applies to A, B, D.
FIGURE 5 in Revision of the Chinese species of Ponsadenia (Gastropoda: Helicoidea, Bradybaenidae)
FIGURE 5. Ponsadenia (Ponsadenia) zhongdianensis sp. nov. A, general view of genitalia; B, another side of dart apparatus, opposite to A; C, inside view of penis chamber; D, jaw; E, dart with crosssections; F, sagittal section of dart apparatus, with crosssections; G, ovotestis. A, D, G, paratype, HBUMM01790specimen 2; B, C, E, F, paratype, HBUMM01790specimen 3.
FIGURE 4 in Revision of the Chinese species of Ponsadenia (Gastropoda: Helicoidea, Bradybaenidae)
FIGURE 4. Ponsadenia (Ponsadenia) zhongdianensis sp. nov., Holotype, HBUMM01790 specimen 1. A, apical view; B, umbilical view; C, apertural view; D, oblique apertural view, showing the shape of aperture.
FIGURE 1 in A new Canariella species (Gastropoda: Helicoidea: Hygromiidae) of the new subgenus Majorata, both endemic to the Jandía Peninsula (Fuerteventura, Canary Islands)
FIGURE 1. Distribution of Canariella jandiaensis sp. nov. and C. eutropis. Symbols represent 1 x 1 km UTM squares.
FIGURE 2 in Revision of the Chinese species of Ponsadenia (Gastropoda: Helicoidea, Bradybaenidae)
FIGURE 2. Ponsadenia (Mesasiata) duplocincta (Martens, 1879), HBUMM01098bspecimen 1. A, basal view of dart apparatus; B, sagittal section of dart apparatus, showing mucous glands insertion; C, sagittal section of terminal genitalia, showing relative position of penis, vagina and dart apparatus.
FIGURE 3 in Revision of the Chinese species of Ponsadenia (Gastropoda: Helicoidea, Bradybaenidae)
FIGURE 3. Ponsadenia (Ponsadenia) semenovi (Martens, 1864), HBUMM01097E specimen 1. A, general view of genitalia; B, magnified bridge part of dart sac; C, sagittal section of dart apparatus.
FIGURE 3. Shell and SEM details. A–D in The subgenus Monilearia (Lyrula) Wollaston, 1878 (Gastropoda: Helicoidea: Cochlicellidae) from Lanzarote and Fuerteventura (Canary Islands), with the description of Monilearia (Lyrula) tubaeformis sp. nov.
FIGURE 3. Shell and SEM details. A–D. Monilearia loweana; A. from Valle Chico; B–D. from Mirador de Malpaso; C. Some bristles of third whorl rectangular "cells"; D. "cell" subdivisions and a line of bristles between second and third whorls; E–F, Monilearia multipunctata; E. from Barranco de Gran Valle; F. from Rosa de Zapata; G–H, Monilearia tubaeformis sp. nov. G. Holotype, from Lomo del Aceituno; H. Paratype, from Vega de Río Palmas, detail of shell ventrallateral side. Scale bar (2 mm) applies to A, E, F, G.
FIGURE 1 in The subgenus Monilearia (Lyrula) Wollaston, 1878 (Gastropoda: Helicoidea: Cochlicellidae) from Lanzarote and Fuerteventura (Canary Islands), with the description of Monilearia (Lyrula) tubaeformis sp. nov.
FIGURE 1. Geographical distribution of Monilearia tubaeformis sp. nov., M. multipunctata, and M. loweana. Symbols represent 1 x 1 km UTM squares.
FIGURE 1. A in Revision of the Chinese species of Ponsadenia (Gastropoda: Helicoidea, Bradybaenidae)
FIGURE 1. A. Ponsadenia (Mesasiata) duplocincta (Martens, 1879), HBUMM01116E specimen 1; B. Ponsadenia (Ponsadenia) semenovi (Martens, 1864), HBUMM01097E specimen 3.
FIGURES 1–8. 1 in A new bathyal Fusinus (Mollusca: Gastropoda: Fasciolariidae) from New Caledonia
FIGURES 1–8. 1. Fusinus laviniae, sp. nov., Holotype, 114.5 mm SL, North Grand Passage area, North Belep Islands, 400 m (MNHN). 2. Paratype 1, 112.6 mm SL, L 1, 400 m (SC PT1). 3. Paratype 2, 97.4 mm SL, L 2, 215–225 m (ANSP 413301). 4. Paratype 3, 85.3 mm SL, L 3, 705–750 m (HC). 5. Paratype 4, 82.0 mm SL, L 4, 190–205 m (AMS C.205367). 6. 46.2 mm SL, L 12, 450 m (RC). 7. 90.5 mm SL, L 10, 260–280 m (MNHN). 8. 91.3 mm SL, L 9 (MNHN), including radula. 8d: detail of central tooth. 8c, 8e: scale bar = 1 mm.
FIGURES 9–15. 9 in A new bathyal Fusinus (Mollusca: Gastropoda: Fasciolariidae) from New Caledonia
FIGURES 9–15. 9. Fusinus laviniae, sp. nov., 101.0 mm SL, L 6, 212–220 m (MNHN). 10. 73.9 mm SL, L 2, 210–220 m (MNHN). 11. 78.0 mm SL, L 5, 225–230 m (MNHN). 12. 64.0 mm SL, L 8, 343–400 m (MNHN). 13. 98.2 mm SL, southern New Caledonia, 200 m (HC). 14. Fusinus colus (Linnaeus, 1758), 172.0 mm, CORAIL 2 stn CP130, 19°27'S, 158°34'E, 217 m (MNHN). 15. Fusinus colus 180.0 mm, CHALCAL stn CP10, 20°00'20"S, 158°46'60"E, 225 m (MNHN).
FIGURES 16–21. 16. Fusinus salisburyi Fulton, 1930, 137.3 in A new bathyal Fusinus (Mollusca: Gastropoda: Fasciolariidae) from New Caledonia
FIGURES 16–21. 16. Fusinus salisburyi Fulton, 1930, 137.3 mm, SMIB 6 stn DW121, 18°58'S, 163°26'E, 315 m (MNHN). 17. Fusinus salisburyi Fulton, 1930, 159.0 mm, CALSUB 1989, pl. 21, 22°45'S, 167°09'E, 340 m (MNHN). 18. Fusinus similis (Baird, 1873) 219.0 mm, Hienghêne, northeastern New Caledonia, 100 m (MNHN). 19. Fusinus nicobaricus (Röding, 1798) 98.0 mm, Ile OuenBaie du Prony, stn 99, 22°33'S, 166°35'E, 14 m (MNHN). 20. Fusinus nobilis (Reeve, 1847), 233.0 mm, LITHIST stn DW12, 24°45.7'S, 168°08.1'E, 235–280 m (MNHN). 21. Fusinus laviniae, sp. nov., protoconch, 87.1 mm SL, L12, 450 m (RC).
FIGURE 1 in A new species of Bathylepeta Moskalev, 1977 (Mollusca: Gastropoda) from the Weddell Sea, Antarctica
FIGURE 1. Shell and softpart morphology of Bathylepeta linseae n. sp., holotype ZSM Moll 20050785. A. Dorsal view of the shell, anterior at the right side. B. Ventral view of the intact animal. C. Dorsal view of the visceral organs, after removing shell and mantle mainly showing the midgut gland and the intestine. D. Ventral view after removing the foot, showing the intestine and gonad. E. Odontophore with centrally lying radula ribbon. F. Closeup of figure 5. Scale bars: A = 10 mm; B = 5 mm; C, D = 2 mm; E = 1 mm; F = 500 µm. an—anus, ant—anterior, cpt—cephalic tentacle, flt—fused first pair of lateral teeth, ft—foot, g—gonad, gp—genital papilla, h—head, i— intestine, j—jaw (dorsal jaw plate), mg—midgut gland, mn—mantle, mo—mouth, orl—oral lappet, rc—radula cartilage, sma—shell midaxis, smu—shell muscle.
FIGURE 2 in A new species of Bathylepeta Moskalev, 1977 (Mollusca: Gastropoda) from the Weddell Sea, Antarctica
FIGURE 2. Radula characteristics of Bathylepeta linseae n. sp., holotype ZSM Moll 20050785. A. Isolated jaw plate, anterior part is below. B. Two radula segments in side view. C. Anterior part of radula seen from frontal. D. Posterior view of a radula segment. E. Closeup of the marginal teeth with their smooth edges. F. Posterior part of a basal plate of the radula, showing the non overlapping condition. Scale bars: A = 500 µm; B–D, F = 100 µm; E = 20 µm. b—beak, bp—basal plate, flt—fused first pair of lateral teeth, lt— second pair of lateral teeth, mt—marginal teeth, rs— radula segment.
FIGURE 6 in Two Canariella species (Gastropoda: Helicodea: Hygromiidae) endemic to the Northwest Tenerife (Canary Islands)
FIGURE 6. Photographs of genital systems. A. Canariella pontelirae. B. C. giustii sp. nov. (both from La Punta, Teno massif, Tenerife). Abbreviations same as in Fig. 5.
FIGURE 3 in Two Canariella species (Gastropoda: Helicodea: Hygromiidae) endemic to the Northwest Tenerife (Canary Islands)
FIGURE 3. Scatter plots of some shell measurements for Canariella pontelirae, C. giustii sp. nov. and C. hispidula. Abbreviations same as in Fig. 2.
FIGURE 1 in Two Canariella species (Gastropoda: Helicodea: Hygromiidae) endemic to the Northwest Tenerife (Canary Islands)
FIGURE 1. Geographic distribution of Canariella pontelirae and C. giustii sp. nov.; symbols represent 1 x 1 km UTM squares.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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