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8,443 results for “gastropoda”
Plate 4 in A new species of Vexillum (Costellaria) (Gastropoda: Costellariidae) from the Marquesas with remarks on Mitra chariessa MELVILL, 1888
Plate 4: Vexillum (Costellaria) rubellum (ADAMS & REEVE, 1850), all figures 5 x Fig. 9: MH, Philippines, Palawan, Balabac Island, collected 2005, 29.4 mm x 10.0 mm (photo Manfred Herrmann). Fig. 10: Type figure of Mitra rubella ADAMS & REEVE, 1850.
Plate 17 in A new subgenus including three new species of the genus Vexillum (Gastropoda: Costellariidae) from the central Indo-Pacific with remarks on Vexillum (Pusia) semicostatum (ANTON, 1838)
Plate 17: Vexillum (Pusia) luigiraybaudii POPPE, GUILLOT DE SUDUIRAUT & TAGARO, 2006, all figures 3.5 x
Plate 1 in A new subgenus including three new species of the genus Vexillum (Gastropoda: Costellariidae) from the central Indo-Pacific with remarks on Vexillum (Pusia) semicostatum (ANTON, 1838)
Plate 1: Vexillum (Protoelongata) subgen. nov., all figures 4.5 x Fig. 1: Vexillum (Protoelongata) dekkersi sp. nov., paratype 1, Philippines, Bohol, Balicasag Island, collected 2000, 11.7 mm, MS 63760. Fig. 2: Vexillum (Protoelongata) bilineatum (REEVE, 1845) comb. nov., Philippines, Cebu, dived 15–20 m, 20.6 mm, MH. Fig. 3: Vexillum (Protoelongata) xerampelina (MELVILL, 1895) comb. nov., holotype, Arabian Sea, Yemen, Aden, 18.8 mm, ex coll. E.R. Shopland; J.C. Melvill, NMW.1955.158.00429 (coll. Melvill-Tomlin). Fig. 4: Vexillum (Protoelongata) rubrotaeniatum sp. nov., paratype 9, Solomon Islands, Guadalcanal, Bonegi, collected Aug 1987 by F. Lorenz on rocks at night at 21 m, 13.8 mm, MH. Fig. 5: Vexillum (Protoelongata) corallinum (REEVE, 1845) comb. nov., Philippines, Bohol, Balicasag Island, 73–88 m, 17.5 mm, ex coll. Steinke, MH. Fig. 6: Vexillum (Protoelongata) heleneae sp. nov., holotype, Guam, Orote Point, Orote Cliffs, collected by R. Salisbury under a pile of rocks at 18 m, 7 Jan 1978, 17.2 mm, MNHN 27071. Fig. 7: Vexillum (Protoelongata) loyaltyense (HERVIER, 1897) comb. nov., Philippines, Cebu, Mactan Island, Punta Engaño, collected 2009 by lumun lumun net at 25–50 m, 10.3 mm, MH. Photos: Fig. 3 Harriet Wood (NMW), Fig. 6 Richard Salisbury, other photos Manfred Herrmann.
Plate 2 in A new subgenus including three new species of the genus Vexillum (Gastropoda: Costellariidae) from the central Indo-Pacific with remarks on Vexillum (Pusia) semicostatum (ANTON, 1838)
Plate 2: Vexillum (Protoelongata) subgen. nov. Fig. 8: Vexillum (Protoelongata) bilineatum (REEVE, 1845) comb. nov., Guam, Agat Bay, Dadi Beach, collected by night dive at 9 m. Aquarium photo by Bob Abela. Fig. 9: Vexillum (Protoelongata) cf. xerampelina (MELVILL, 1895) comb. nov., Japan, Okinawa, collected 2003. Photo by Shawn Miller. Fig. 10: Vexillum (Protoelongata) loyaltyense (HERVIER, 1897) comb. nov., Marshall Islands, Kwajalein Atoll on lagoon pinnacle at ~ 18 m, collected by night dive and photographed by Jeanette Johnson.
Plate 12 in A new subgenus including three new species of the genus Vexillum (Gastropoda: Costellariidae) from the central Indo-Pacific with remarks on Vexillum (Pusia) semicostatum (ANTON, 1838)
Plate 12: Vexillum (Protoelongata) xerampelina (MELVILL, 1895) comb. nov., all figures 3.5 x Fig. 40: Holotype, Arabian Sea, Yemen, Aden, 18.8 mm, ex coll. E.R. Shopland; J.C. Melvill, NMW.1955. 158.00429 (coll. Melvill-Tomlin). Fig. 41: Specimen, Mozambique, Nacala Bay, taken Oct 2006 by snorkel in coral sand at 1–2 m, 17.5 mm, MH. Fig. 42a–b: Specimen cf. V. (Pr.) xerampelina (MELVILL, 1895), Philippines, Cebu, Mactan Islands, collected May 1984 by shell nets, ex Ray Walker, 15.6 mm, NMBE 32379-2. Fig. 43: Specimen cf. V. (Pr.) xerampelina (MELVILL, 1895), Philippines, Bohol Strait, collected Jul 1991 by shell nets, 15.7 mm, NMBE 32378-2. Photos: Fig. 40 Harriet Wood (NMW), other photos Manfred Herrmann.
Plate 2 in A new species of Vexillum (Costellaria) (Gastropoda: Costellariidae) from the Marquesas with remarks on Mitra chariessa MELVILL, 1888
Plate 2; all figures 5 x Fig 4: Vexillum (Costellaria) bellum (PEASE, 1860), MH, Hawaii, Maui, Maalara Bay, taken on sand at 5 m by snorkel by Bunnie Cook 16 Oct 1983, 16.6 mm x 6.0 mm. Fig. 5: Vexillum (Costellaria) pantherinum HERRMANN & SALISBURY, 2012, holotype, MNHN 25179, French Polynesia, Marquesas, Eiao Island, 42 m, collected 24 Aug 1990 (campagne SMCB) by J. Poupin, 13.7 mm x 4.1 mm. All photos Manfred Herrmann.
Plate 1 in A new species of Vexillum (Costellaria) (Gastropoda: Costellariidae) from the Marquesas with remarks on Mitra chariessa MELVILL, 1888
Plate 1: Vexillum (Costellaria) germaineae sp. nov., all figures 5 x. French Polynesia, Marquesas. Fig. 1: Holotype, MNHN 27083, Eiao (7°51'S, 140°40'W), 42 m, collected 24 Aug 1990, J. Poupin (SMCB: stn D38), 15.0 mm x 4.5 mm. Figs 2a–b: Paratype 1, AMD, Nuku Hiva, collected Jul 2000, 17.5 mm x 4.9 mm. Fig. 3: Paratype 2, MNHN 27084, Ua Huka, N/O "Alis", campagne MUSORSTOM 9, stn. DR1297 (8°54'S, 139°37'W), 90–150 m, collected 8 Sep 1997, Bouchet, Dayrat, Richer, 13.2 mm x 4.0 mm. All photos Manfred Herrmann.
FIGURE 5 in The world's tiniest land snails from Laos and Vietnam (Gastropoda, Pulmonata, Hypselostomatidae)
FIGURE 5 Plot of shell height against shell width (diameter) for Acmella nana, Angustopila coprologos n. sp., Angustopila dominikae, Angustopila pallgergelyi, Angustopila psammion n. sp., Arinia micro. Empty squares of Acmella nana represent shells of the population with smallest shells. The dashed line represents equal shell height and width. Ellipses drawn manually.
FIGURE 2 in The world's tiniest land snails from Laos and Vietnam (Gastropoda, Pulmonata, Hypselostomatidae)
FIGURE 2 Granules on the shell surface of A. coprologos n. sp. shells. A–B shows a shell with brown 'mud', whereas C–D shows a shell with white (calcareous) granules.
FIGURE 4 in The world's tiniest land snails from Laos and Vietnam (Gastropoda, Pulmonata, Hypselostomatidae)
FIGURE 4 Size comparisons of the former record holders, A. pallgergelyi, Acmella nana, Notharinia micro, the smallest marine snail, Ammonicera minortalis, and the two new species described herein. The image of Ammonicera minortalis Rolán, 1992 is from Oliver et al. (2012), whereas the other images (Acmella nana and Arinia micro) are from their respective original descriptions. The figure of Acmella nana is adjusted to scale with the measurement of the smallest specimen, whereas for Angustopila coprologos n. sp. and Angustopila psammion n. sp., the holotypes (not the tiniest shells) are shown.
Photographs of parasites encapsulated in Cepaea nemoralis shells (appendix to the paper "Morph-dependent effect of nematode infection on host movement in the land snail *Cepaea nemoralis* (Mollusca, Gastropoda)")
<p>A set of four photographs taken of shell fragments of Cepaea nemoralis (grove snail), taken in the course of the project leading to the manuscript titled: "Morph-dependent effect of nematode infection on host movement in the land snail *Cepaea nemoralis* (Mollusca, Gastropoda)". Each photograph shows a parasite encapsulated/trapped in the shell by the snail:</p> <p>AcaRX3_3.tif: a mite (presumably Riccardoella sp.)<br> NemaBX7_1.tif, NemaBX7_3.tif, NemaRK5_2.tif: unidentified nematodes (note in the latter image, the clearly visible brown-band on yellow background pattern of the shell).</p> <p>A scale bar (0.25 mm) is overlaid on each image</p> <p> </p>
Fig. 12 in Morphometry Of The Digestive Gland Of Terrestrial Mollusks Cornu Aspersum (Gastropoda, Helicidae)
Fig. 12. Digestive ducts of Cornu aspersum with different amounts of brown granules (Weigert's resorcinfuchsin): ducts with high (1) and low (2) brown granule content.
Fig. 9 in Morphometry Of The Digestive Gland Of Terrestrial Mollusks Cornu Aspersum (Gastropoda, Helicidae)
Fig. 9. Parallel rows of straight muscle bundles (arrows) in the parenchyma of digestive gland of Cornu aspersum (aldehyde-fuchsin after Gabe-Dyban).
Fig. 6 in Morphometry Of The Digestive Gland Of Terrestrial Mollusks Cornu Aspersum (Gastropoda, Helicidae)
Fig. 6. Structure of the digestive gland capsule of Cornu aspersum with two muscle bundle layers (Heidenhain's azan): internal muscle bundle layer (1), outer muscle bundle layer (2), collagen fibers layer (3), collagen fibers in muscle layer (4), epithelial layer (5), epithelial microciliae (6).
Fig. 4 in Morphometry Of The Digestive Gland Of Terrestrial Mollusks Cornu Aspersum (Gastropoda, Helicidae)
Fig. 4. Collagen fibers between digestive ducts of the digestive gland of Cornu aspersum (Heidenhain's azan): digestive duct (1), collagen fibers (2).
Fig. 2 in Morphometry Of The Digestive Gland Of Terrestrial Mollusks Cornu Aspersum (Gastropoda, Helicidae)
Fig. 2. Structure of the digestive gland of Cornu aspersum snail (haematoxylin-eosin): hemocoelical ducts (1), digestive ducts (2), stomach duct (3).
Fig. 5 in Morphometry Of The Digestive Gland Of Terrestrial Mollusks Cornu Aspersum (Gastropoda, Helicidae)
Fig. 5. Collagen fibers in the parenchyma of the digestive gland of Cornu aspersum (Heidenhain's azan): digestive duct (1), stomach duct (2), collagen fibers (3), supporting cells of haemocelical duct (4).
Fig. 11 in Morphometry Of The Digestive Gland Of Terrestrial Mollusks Cornu Aspersum (Gastropoda, Helicidae)
Fig. 11. Topography of vacuoles and brown granules in the digestive gland of Cornu aspersum (Potassium ferricyanide after Schmorl): Calcium cell (1), digestive cells (2), large brown granules (3), formation of large granules by small granules joining together (4).
Fig. 3 in Morphometry Of The Digestive Gland Of Terrestrial Mollusks Cornu Aspersum (Gastropoda, Helicidae)
Fig. 3. Structure of ducts of the digestive gland of Cornu aspersum (stained by haematoxylin-eosin): digestive cells (1), Calcium cells (2), vacuoles without brown granules (3), vacuoles with brown granules (4), duct lumen (5), inter-duct connective tissue (6), cells of inter-duct connective tissue (7).
Fig. 10 in Morphometry Of The Digestive Gland Of Terrestrial Mollusks Cornu Aspersum (Gastropoda, Helicidae)
Fig. 10. Vacuoles and granules in digestive ducts of Cornu aspersum (PAS reaction): Calcium cell (1), digestive cell (2), large brown granules (3), small granules joining into large granules (4).
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
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.