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8,443 results for “gastropoda”
FIGURE 16 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific
FIGURE 16. Drawings of the internal anatomy of the paratype of Cuthona methana sp. nov. (SIO-BIC M12412). A. General view of the internal anatomy. B. Reproductive system. Abbreviations: am, ampulla; bb, buccal bulb; bc, bursa copulatrix; cns, central nervous system; dg, digestive gland; es, esophagus; fgc, female gland complex; i, intestine; pe, penis.
FIGURE 4 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific
FIGURE 4. Drawings of the internal anatomy of the holotype of Tritonia nigritigris sp. nov. (LACM 3553). A. General view of the internal anatomy. B. Reproductive system. Abbreviations: am, ampulla; bb, buccal bulb; bc, bursa copulatrix; cns, central nervous system; dd, deferent duct; dg, digestive gland; es, esophagus; fgc, female gland complex; ht, heart; i, intestine; pe, penis; pr, prostate; rs, reproductive system; sg, salivary gland; sr, seminal receptacle; vg, vagina.
FIGURE 3 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific
FIGURE 3. Photographs of the external morphology of preserved specimens of Tritonioidea and Dendronotoidea. A. Holotype of Tritonia nigritigris sp. nov. (LACM 3553), lateral view. B. Paratype of Dendronotus claguei sp. nov. (LACM 3555), lateral view. C–D. Tritonia sp. (SIO-BIC M12395), C. dorsal view of the head, D. lateral view. Abbreviations: a, anus; pe, penis. Arrow indicates damage on the right side of the body.
FIGURE 3 in Morphological and molecular diversity of rissoellids (Mollusca, Gastropoda, Heterobranchia) from the Northwest Pacific island of Hokkaido, Japan
FIGURE 3. Living specimens. (A–D) Rissoella elatior. (E–F) Rissoella golikovi. (G–I) Rissoella japonica n. sp. (J–K) Rissoella sp. 1.
FIGURE 2 in Morphological and molecular diversity of rissoellids (Mollusca, Gastropoda, Heterobranchia) from the Northwest Pacific island of Hokkaido, Japan
FIGURE 2. Maximum-likelihood tree analysis of the COI sequences of Rissoella from Hokkaido, Japan. Scale bars represent raw percentage sequence divergence. MOTUs are indicated with letters in parenthesis.
FIGURE 5 in Morphological and molecular diversity of rissoellids (Mollusca, Gastropoda, Heterobranchia) from the Northwest Pacific island of Hokkaido, Japan
FIGURE 5. SEM micrographs of Rissoella golikovi. (A) Apertural view of the shell. (B) Apical view of the protoconch. (C) Detail of the protoconch showing suture. (D) Inner face view of the operculum. (E–F) Radula. (G) Central teeth.
FIGURE 4 in Morphological and molecular diversity of rissoellids (Mollusca, Gastropoda, Heterobranchia) from the Northwest Pacific island of Hokkaido, Japan
FIGURE 4. SEM micrographs of Rissoella elatior. (A) Apertural view of the shell. (B) Apical view of the protoconch. (C) Detail of the protoconch showing the suture. (D) Inner face view of the operculum. (E) Radula. (F) Central teeth. (G) Lateral teeth. (H) Inner and outer marginal teeth.
FIGURE 6 in Morphological and molecular diversity of rissoellids (Mollusca, Gastropoda, Heterobranchia) from the Northwest Pacific island of Hokkaido, Japan
FIGURE 6. SEM micrographs of Rissoella japonica n. sp. (A) Apertural view of the shell. (B) Apical view of the protoconch. (C) Detail of the protoconch showing the suture. (D) Inner face view of the operculum. (E) Radula. (F) Central teeth. (G) Lateral and marginal teeth.
FIGURES 5–16. Guianas Fusininae. 5–8 in Fasciolariidae (Gastropoda: Neogastropoda) of French Guiana and nearby regions, with descriptions of two new species and comments on marine zoogeography of northeastern South America
FIGURES 5–16. Guianas Fusininae. 5–8. Lyonsifusus ansatus (Gmelin, 1791). 5–6. 163.8 mm, off Amapá, Brazil, R/V Oregon, depth 100–120 m, LC. 7–8. 162.4 mm, Suriname, depth 80 m, LC. 9–10. Lyonsifusus carvalhoriosi Macsotay & Campos Villarroel, 2001, 142.6 mm, off Cayenne, French Guiana, depth 64 m, LC. 11–12. Aristofusus benjamini Hadorn, 1997, 171.6 mm, CP4379, 06°33'N, 52°26'W, depth 130–131 m, MNHN IM-2013-56484. 13–14. Fusinus chocolatus (Okutani, 1983), 45.9 mm, CP4377, 06°36'N, 52°29'W, depth 157–162 m, MNHN IM-2014-6076. 15–16. Fusinus dilectus (A. Adams, 1856), 77.0 mm, off Paramaraibo, Suriname, R/V Oregon, RC.
FIGURES 17–38. Guianas Peristerniinae. 17–21. Lamellilatirus corrugatus n in Fasciolariidae (Gastropoda: Neogastropoda) of French Guiana and nearby regions, with descriptions of two new species and comments on marine zoogeography of northeastern South America
FIGURES 17–38. Guianas Peristerniinae. 17–21. Lamellilatirus corrugatus n. sp. 17–19. Holotype, 30.5 mm, CP4381, 06°31'N, 52°26'W, depth 114–118 m, MNHN IM-2013-56529. 20–21. Paratype, 23.8 mm, CP 4380, MNHN IM-2012-20355; ANSP 473537. 22–26. Lamellilatirus boucheti n. sp., 22–24. Holotype, 23.1 mm, CP4381, 06°31'N, 52°26'W, depth 114–118 m, IM-2013-56530. 25–26. Paratype, 19.1 mm, same date as holotype, IM-2013-56531; ANSP 473538. 27–28. Polygona bernadensis (Bullock, 1974), 46.4 mm, CP 4402, 06˚18'N, 52.˚13.3'W, depth 95–97 m, MNHN IM-2013-56853. 29–38. Polygona lactea (Matthews-Cascon et al., 1991). 29–30. Holotype, 27 x 11 mm, Almirante Saldanha, sta. 1767, off Pará, Brazil, 01°32'05"N, 47°24'05"W, depth 63 m, MNRJ 6201. 31–32. Paratype, 18 x 8 mm, same data as holotype, CMPHRM- 668B. 33–34. Paratype, 32 x 14 mm, Almirante Saldanha sta. 2441, off Pará, 01°46'N, 47°14'W, depth not stated, CMPHRM- 1031B. 35–38. 25.5 and 29.5 mm, CP4352, 05°13.9'N, 51°41.7'W, depth 60 m, MNHN IM-2014-6078.
FIGURE 4. Calliostoma valkuri n in Calliostomatidae, Colloniidae, Margaritidae, and Solariellidae (Gastropoda: Trochoidea) collected by the Marion Dufresne (MD55) expedition in southeastern Brazil, with description of a new species of Calliostoma
FIGURE 4. Calliostoma valkuri n. sp. Holotype MNHN-IM-2000-34300, sta. DC79 (H=4.1 mm, D=4.2 mm). A. apertural view. B. apical view. C. umbilical view. D. SEM, apertural. E. SEM, apical view. F. SEM, umbilical view. G. SEM, detail of spire. H. SEM, detail of apex showing the protoconch.
FIGURE 3 in Calliostomatidae, Colloniidae, Margaritidae, and Solariellidae (Gastropoda: Trochoidea) collected by the Marion Dufresne (MD55) expedition in southeastern Brazil, with description of a new species of Calliostoma
FIGURE 3. Calliostoma collected by the MD55 expedition, Calliostoma rude. A–C. MNHN, sta. DC81 (H=13.1 mm, D=9.2 mm). A. apetural view. B. apical view. C. umbilical view. D–I. MNHN, sta. DC75, juvenile specimen (H=5.0 mm, D=4.5 mm). D. apertural view. E. apical view. F. umbilical view. G. SEM, apertural view. H. SEM, apical view. I. SEM, detail of apex.
FIGURE 2 in Calliostomatidae, Colloniidae, Margaritidae, and Solariellidae (Gastropoda: Trochoidea) collected by the Marion Dufresne (MD55) expedition in southeastern Brazil, with description of a new species of Calliostoma
FIGURE 2. Calliostoma collected by the MD55 expedition. A–G. Calliostoma hassler. A. MNHN, sta. DC47, apertural view (H=25.8 mm, D=25.7 mm). B. same, umbilical view. C. MNHN, sta. DC15, apertural view (H=10.2 mm, D=11.1 mm). D. MNHN, sta. DC40, juvenile specimen, apertural view (H=9.6 mm, D=12.2 mm). E. MNHN, sta. DC42, apertural view (H=3.6 mm, D=4.4 mm). F. MNHN, sta. DC22, apertural view (H=1.4 mm, D=1.8 mm). G. MNHN, sta. DC42 detail of apex. H–L. Calliostoma javanicum. H. MNHN, sta. DC55, juvenile specimen, apertural view (H=5.4 mm, D=5.5 mm). I. MNHN, sta. CB77, fragmentary specimen (H=~5.0 mm, D=~4.7 mm). J. MNHN, sta. DC55, juvenile specimen, detail of apex. K. same, apical view. L. same, umbilical view.
FIGURE 5 in Calliostomatidae, Colloniidae, Margaritidae, and Solariellidae (Gastropoda: Trochoidea) collected by the Marion Dufresne (MD55) expedition in southeastern Brazil, with description of a new species of Calliostoma
FIGURE 5. Calliostomatidae and Colloniidae collected by the MD55 expedition, and specimens from Northeast Brazil. A–C. Falsimargarita terespira MNHN, sta. CB103 (H=10.5 mm, D=10.7 mm). A. apertural view. B. apical view. C. umbilical view. D–J. Homalopoma linnei. D–F. MNHN, sta. DC73 spm #1 (H=5.5 mm, D=4.7 mm). D. apertural view. E. apical view. F. umbilical view. G–I. MNHN, sta DC73 spm #2 (H=4.8, D=5.4 mm), under SEM. G. apical view. H. detail of apex. I–J. operculum of specimen from Canopus Bank, off Northeast Brazil, MZSP 70295. I. inner side (L=1.5 mm), J. outer side. K–N. Homalopoma boffii, specimen from Canopus Bank, off Northeast Brazil, MZSP 93535. K–L. operculum (L=1.2 mm). K. inner side. L. outer side. M. detail of apex under SEM, N. apertural view (H=7.3 mm, D=7.8 mm).
FIGURE 1 in Calliostomatidae, Colloniidae, Margaritidae, and Solariellidae (Gastropoda: Trochoidea) collected by the Marion Dufresne (MD55) expedition in southeastern Brazil, with description of a new species of Calliostoma
FIGURE 1. Calliostoma collected by the MD55 expedition. A–D. Calliostoma caribbechinatum. A. MNHN, sta. DC30, apertural view (H=6.4 mm, D=5.8 mm). B. same, apical view. C. MNHN, from Trindade Island, juvenile specimen, apertural view (H=1.9 mm, D=1.7 mm). D. MNHN, sta. DC43, detail of apex. E–I. Calliostoma gemmosum. E. MNHN, sta. DC83, apertural view (H=11.0 mm, D=10.9 mm). F. same, apical view. G. same, umbilical view. H. MNHN, sta. DC27, juvenile specimen, apertural view (H=3.3 mm, D=3.5 mm). I. MNHN, sta. DC26, detail of apex.
FIGURE 9 in Calliostomatidae, Colloniidae, Margaritidae, and Solariellidae (Gastropoda: Trochoidea) collected by the Marion Dufresne (MD55) expedition in southeastern Brazil, with description of a new species of Calliostoma
FIGURE 9. Solariellidae collected by the MD55 expedition. A–C. Solariella carvalhoi MNHN, sta. CB101 (H=6.9 mm, D=7.8 mm). A. apertural view. B. apical view. C. umbilical view. D–G. Solariella quinni MNHN, sta. DC73 (H=4.2 mm, D=4.2 mm). D. apertual view. E. apical view. F. umbilical view. G. SEM, protoconch detail. H–L. Suavotrochus lubricus. H–J. MNHN, sta. DC75, apertural view (H=4.8 mm, D=3.5 mm). I. apical view. J. umbilical view. K. MNHN, sta. DC75, detail of protoconch under SEM. L. MNHN, sta. CB93, juvenile specimen with ribbed sculpture (H=2.2 mm, D=2.1 mm).
FIGURE 8 in Calliostomatidae, Colloniidae, Margaritidae, and Solariellidae (Gastropoda: Trochoidea) collected by the Marion Dufresne (MD55) expedition in southeastern Brazil, with description of a new species of Calliostoma
FIGURE 8. Solariellidae collected by the MD55 expedition. A–C. Lamellitrochus cancapae MNHN, sta. CB73 (H=9.1 mm, D=9.0 mm). A. apertural view. B. apical view. C. umbilical view. D–F. Lamellitrochus pourtalesi. D. MNHN, sta. CB76 (H=5.2 mm, D=5.2 mm), apertural view. E–F. MNHN, sta. CB79, juvenile specimen (H=3.5 mm, D=3.4 mm) under SEM. E. apertural view. F. umbilical view.
FIGURE 7 in Calliostomatidae, Colloniidae, Margaritidae, and Solariellidae (Gastropoda: Trochoidea) collected by the Marion Dufresne (MD55) expedition in southeastern Brazil, with description of a new species of Calliostoma
FIGURE 7. Margaritidae and Solariellidae collected by the MD55 expedition. A–F. Margarites imperialis A–C. MNHN, sta. CB105, spm #1 (H=8.8 mm, D=11.7 mm). A. apertural view. B. apical view. C. umbilical view. D. MNHN, sta. CB105, spm #2 (H=8.6 mm, D=11.2 mm), apertural view. E. MNHN, sta. CB78, juvenile specimen (H=5.5 mm, D=6.6 mm), apertural view. F. MNHN, sta. CB93, juvenile specimen (H=4.3 mm, D=5.2 mm), apertural view. G–L. Bathymophila euspira. G–H. MNHN, sta. DC72 (H=4.0 mm, D=4.1 mm). G. apertural view. H. apical view. I. MNHN, sta. CB77 (D=3.2 mm), umbilical view. J–L. MNHN, sta. DC72 under SEM. J. apertural view. K. apical view. L. detail of apex.
FIGURES 29–34 in Last snails standing since the Early Pleistocene, a tale of Calliostomatidae (Gastropoda) living in deep-water coral habitats in the north-eastern Atlantic
FIGURES 29–34. Calliostoma maurolici on various substrates. 29. Caracole/PL129-7 (ROV). Grazing on dead Lophelia pertusa framework. 30. M61-3/632 (GeoB 9285, ROV). Grazing on dead Lophelia pertusa framework portions. 31. POS 400/GeoB 14544 (ROV 3). Grazing on a Madrepora oculata colony. 32. POS400/GeoB 14548 (ROV5). Two specimens of different age grazing in close vicinity on dead coral framework. 33. POS400/GeoB 14543 (ROV2). Grazing on deep-sea anemone Phelliactis hertwigii. 34. POS400/GeoB 14548 (ROV5). Grazing on epiliths, grown on a hardground. [Fig. 29 was taken by ROV "VIC- TOR 6000", IFREMER, France. Fig. 30 was taken by ROV "QUEST 4000" and Figs 31–34 were taken via ROV "Cherokee", MARUM, Bremen University, Germany.]
FIGURES 21–28. Calliostoma maurolici, 21–24. Moundforce2004 in Last snails standing since the Early Pleistocene, a tale of Calliostomatidae (Gastropoda) living in deep-water coral habitats in the north-eastern Atlantic
FIGURES 21–28. Calliostoma maurolici, 21–24. Moundforce2004/37, Juvenile specimen, H 1.4 mm, W 1.5 mm, protoconch W 0.48 mm, T 0.36 mm, scale bar 0.1 mm. 25. Specimen from limestone outcrop, St. Paul's Bay, Rhodes, Mid-Pleistocene (private collection A. Freiwald). 26–28. M61-3/603, live-collected, H 16 mm, W 19 mm.
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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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International Brain Laboratory public data
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OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.