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8,443 results for “gastropoda”
FIGURE 1. A–C in Two new species of Okenia (Gastropoda: Nudibranchia: Goniodorididae) from eastern Australia and Tanzania
FIGURE 1. A–C, Okenia atkinsonorum sp. nov. Nelson Bay, Port Stephens, New South Wales, Australia, 11 m, 11 June 2005, 13–15 mm long alive, AM C445669. B, feeding on Pleurotoichus clathratus. C, egg ribbon, diameter = 9 mm. A, C, Photos: D. Beechey; B, Photo: L & D. Atkinson. D, Okenia rhinorma sp. nov. Bongoyo Island, off Msasani Bay, Dar es Salaam, Tanzania. 7 November 1976. 11 mm long alive, AM C443912. Photo: W. B. Rudman
FIGURES 7–9. Aclis watsoni n in Two new species of Aclis (Mollusca: Gastropoda: Aclididae) from the continental slope of northeast Brazil
FIGURES 7–9. Aclis watsoni n. sp. (SEM): 7. Paratype (MZSP 77993), ventral view (Lt: 4.1 mm); 8. Holotype, detail of protoconch; 9. Holotype (MZSP 77991), ventral view (Lt: 4.4 mm); Scale bars: Figs. 7, 9 = 500 µm; Fig. 8 = 100 µm.
FIGURES 1–6. Aclis macrostoma n in Two new species of Aclis (Mollusca: Gastropoda: Aclididae) from the continental slope of northeast Brazil
FIGURES 1–6. Aclis macrostoma n. sp. (SEM): 1. Holotype (MZSP), ventral view (Lt: 1.16 mm); 2. Holotype, spiral striae microscopie subsutural; 3. Paratype (MZSP 77889), dorsal view (Lt: 1.12 mm); 4. Paratype (MZSP 77889), ventral view (Lt: 1.18 mm); 5. Paratype (LMUFRPE 022), ventral view; 6. Paratype (LMUFRPE), detail of protoconch. Scale bars: Figs. 1, 3–5 = 200 µm; Fig. 2 = 50 µm; Fig. 6 = 100 µm.
FIGURES 47–49. Spixia tucumanensis. 47 in Taxonomic review of the Spixia pyriformis species complex (Gastropoda: Pulmonata: Odontostominae)
FIGURES 47–49. Spixia tucumanensis. 47. Reproductive system dissected out, scale bar: 5 mm. 48. Phallic complex inner wall, scale bar: 5 mm. 49. Detail of widening area where retractor muscle is inserted. Abbreviations: A: atrium; Ag: albumen gland; Bc: bursa copulatrix; Bcd: bursa copulatrix duct; Ca: constriction area; Ep: epiphallus; F: flagellum; Fiw: flagellum inner wall; Hd: hermaphroditic duct; Ov: oviduct; P: penis; Pg: penial gland; Pi: pilaster; Piw: penis inner wall; Pr: prostate; Ps: penial sheath; Pw: penis wall; Rm: retractor muscle; I: proximal portion; II: widening area; III: proximal medial portion; IV: distal medial portion; V: distal portion.
FIGURES 43–46. Spixia tucumanensis. 43 in Taxonomic review of the Spixia pyriformis species complex (Gastropoda: Pulmonata: Odontostominae)
FIGURES 43–46. Spixia tucumanensis. 43. Sculpture between two sutures showing spiral major rows with lamellae and minor rows, scale bar: 100 Μm. 44. Sculpture between two minor spiral rows showing the spiral undulating bands cutting the axial folds, giving appearance of an irregular net, scale bar: 10 Μm. 45. Detail suture and spiral rows, scale bar: 100 Μm. 46. Jaw general view, scale bar: 100 Μm.
FIGURES 36–38. Spixia pyriformis. 36 in Taxonomic review of the Spixia pyriformis species complex (Gastropoda: Pulmonata: Odontostominae)
FIGURES 36–38. Spixia pyriformis. 36. Reproductive system dissected out, scale bar: 5 mm. 37. Detail of widening area II and part of area III sculpture, scale bar: 2 mm. 38. Phallic complex inner wall, scale bar: 5mm. Abbreviations: A: atrium; Ag: albumen gland; Bc: bursa copulatrix; Bcd: bursa copulatrix duct; Ca: constriction area; Ep: epiphallus; F: flagellum; Hd: hermaphroditic duct; Lf: longitudinal folds; Ov: oviduct; P: penis; Pg: penial gland; Pi: pilaster; Piw: penis inner wall; Pr: prostate; Ps: penial sheath; Pw: penis wall; Rm: retractor muscle; I: proximal portion; II: widening area; III: proximal medial portion; IV: distal medial portion; V: distal portion.
FIGURES 32–35. Spixia pyriformis. 32 in Taxonomic review of the Spixia pyriformis species complex (Gastropoda: Pulmonata: Odontostominae)
FIGURES 32–35. Spixia pyriformis. 32. Seventh whorl, detail of spiral rows, scale bar: 100 Μm. 33. Sculpture of body whorl without periostracum, scale bar: 1 mm. 34. Jaw, general view, scale bar: 100 Μm. 35. Jaw, central plaque, scale bar: 10 Μm.
FIGURES 28–31. Spixia pyriformis. 28 in Taxonomic review of the Spixia pyriformis species complex (Gastropoda: Pulmonata: Odontostominae)
FIGURES 28–31. Spixia pyriformis. 28. General view of protoconch showing axial ribs, scale bar: 100 Μm. 29: Protoconch sculpture between ribs, scale bar: 10 Μm. 30. Dorsal view from protoconch to seventh whorl showing general sculpture of shell, scale bar: 1 mm. 31. Seventh whorl, periostracum with spiral rows and lamellae, scale bar: 100 Μm.
FIGURES 25–26. Spixia martensii. 25 in Taxonomic review of the Spixia pyriformis species complex (Gastropoda: Pulmonata: Odontostominae)
FIGURES 25–26. Spixia martensii. 25. Shell with and without periostracum, arrow points to spiral row, scale bar: 1 mm. 26. Detail of shell with and without periostracum showing the grooves left by spiral rows, arrow points to groove, scale bar: 1 mm.
FIGURES 4–9. Spixia doellojuradoi. 4. Holotype MACN 23124. 5. Protoconch and 3 in Taxonomic review of the Spixia pyriformis species complex (Gastropoda: Pulmonata: Odontostominae)
FIGURES 4–9. Spixia doellojuradoi. 4. Holotype MACN 23124. 5. Protoconch and 3 first whorls, sculpture of protoconch and teleoconch, scale bar: 1 mm. 6. Jaw with triangular central plaque, arrow points to central plaques, scale bar: 100 Μm. 7. Radula, central and lateral teeth, scale bar: 10 Μm. 8. Transition from lateral to marginal teeth, scale bar: 10 Μm. 9. Marginal teeth, scale bar: 10 Μm.
FIGURES 10–11. Spixia doellojuradoi. 10 in Taxonomic review of the Spixia pyriformis species complex (Gastropoda: Pulmonata: Odontostominae)
FIGURES 10–11. Spixia doellojuradoi. 10. Pallial system dissected out, scale bar: 5 mm. 11. Detail of distal portion of pallial system, scale bar: 2 mm. Abbreviations: Au: auricle; I: intestine; Iz: interramus zone; K: kidney; Lm: lamellae marks; Mc: mantle collar; Mce: mantle collar edge; Mcf: mantle collar fold; Pag: pallial gland; Pc: pericardic cavity; Pr: pulmonary roof; Pu: primary; Pv: pulmonary vein; Ro: rectum opening; Su: secondary ureter; Suo: secondary ureter opening; V: ventricle; Va: vascular area.
FIGURES 12–14. Spixia doellojuradoi. 12 in Taxonomic review of the Spixia pyriformis species complex (Gastropoda: Pulmonata: Odontostominae)
FIGURES 12–14. Spixia doellojuradoi. 12. Reproductive system dissected out, scale bar: 5 mm. 13. Phallic complex inner wall, scale bar: 5mm.14. Detail of constriction and widening area, scale bar: 2 mm. Abbreviations: A: atrium; Ag: albumen gland; Bc: bursa copulatrix; Bcd: bursa copulatrix duct; Ca: constriction area; Ep: epiphallus; F: flagellum; Fiw: flagellum inner wall; Fo: free oviduct; Gr: grillwork; Hd: hermaphroditic duct; Lf: longitudinal folds; Ov: oviduct; P: penis; Pg: penial gland; Pi: pilaster; Piw: penis inner wall; Pr: prostate; Ps: penial sheath; Piw: penis inner wall; Rm: retractor muscle; Ro: rows; I: proximal portion; II widening area; III proximal medial portion; IV: distal medial portion; V: distal portion.
FIGURES 21–23. Spixia martensii. 21 in Taxonomic review of the Spixia pyriformis species complex (Gastropoda: Pulmonata: Odontostominae)
FIGURES 21–23. Spixia martensii. 21. Reproductive system dissected out, scale bar: 5 mm. 22. Phallic complex inner wall, scale bar: 5 mm. 23. Detail of constriction and widening area II and part of area III, scale bar: 2 mm. Abbreviations: A: atrium; Ag: albumen gland; Bc: bursa copulatrix; Bcd: bursa copulatrix duct; Ca: constriction area;; Ep: epiphallus; F: flagellum; Hd: hermaphroditic duct; Lf: longitudinal folds; Ov: oviduct; P: penis; Pg: penial gland; Pi: pilaster; Piw: penis inner wall; Pr: prostate; Pro: projections; Ps: penial sheath; Piw: penis inner wall; Rm: retractor muscle I: proximal portion; II: widening area; III: proximal medial portion; IV: distal medial portion; V: distal portion.
FIGURES 15–20. Spixia martensii. 15. Paratype MACN 23139.16 in Taxonomic review of the Spixia pyriformis species complex (Gastropoda: Pulmonata: Odontostominae)
FIGURES 15–20. Spixia martensii. 15. Paratype MACN 23139.16. Dorsal view of protoconch and next whorl smooth, scale bar: 100 Μm. 17. View from protoconch to sixth whorl of a juvenile shell. Note spiral rows and lamellae, scale bar: 1 mm. 18. Third and fourth whorl with spiral major rows with lamellae and minor files, scale bar: 1 mm. 19. Detail of sculpture in fourth whorl, spiral major row with lamella and minor rows with micro folds, arrow points to horizontal fine line, scale bar: 100 Μm. 20. Jaw with central plaques, scale bar: 100 Μm.
FIGURES 1–3 in Taxonomic review of the Spixia pyriformis species complex (Gastropoda: Pulmonata: Odontostominae)
FIGURES 1–3. Diagram of shell. 1. General shell shape in Spixia with shell measurements. 2. Aperture measurements. 3. Detail of the aperture with terminology. Abbreviations. A sp: spiral angle; A max: maximum angle; B: basal lamella; Cl: columellar lamella; D maj: mayor shell diameter; D ap: aperture diameter; H: shell height; H ap: aperture height; Pal: palatal lamella; Pl: parietal lamella; St: suprapalatal tooth.
FIGURE 13 in Anatomy and function of the penial twin papillae system of the Helicinae (Gastropoda: Helicoidea: Helicidae) and description of two new, small Hemicycla species from the laurel forest of the Canary Islands
FIGURE 13. Hemicycla fulgida sp. nov., paratype from El Bailadero (Tenerife). A. Spermatophore in the stalk of the bursa copulatrix complex. B. An undigested part of the spermatophore. C. Dart; bd, bursa duct; c, crown; d, diverticulum; st, stalk.
FIGURE 9. Shell body whorl details. A, B in Anatomy and function of the penial twin papillae system of the Helicinae (Gastropoda: Helicoidea: Helicidae) and description of two new, small Hemicycla species from the laurel forest of the Canary Islands
FIGURE 9. Shell body whorl details. A, B. Hemicycla fulgida sp. nov., holotype. C, D. Hemicycla invernicata. E, F. Hemicycla consobrina. A, C, E, dorsal view. B, D, F, frontal view.
FIGURE 10 in Anatomy and function of the penial twin papillae system of the Helicinae (Gastropoda: Helicoidea: Helicidae) and description of two new, small Hemicycla species from the laurel forest of the Canary Islands
FIGURE 10. Shell aperture details of the Hemicycla consobrina specimen in different views (A–D), showing the "small callosity" (yellow arrows) and the form "obtusément triangulaire" described by Mousson. A. Aperture accurately in plane view.
FIGURE 11. Genital system. A in Anatomy and function of the penial twin papillae system of the Helicinae (Gastropoda: Helicoidea: Helicidae) and description of two new, small Hemicycla species from the laurel forest of the Canary Islands
FIGURE 11. Genital system. A. Hemicycla fulgida sp. nov., paratype from El Bailadero. B. Hemicycla invernicata from Montaña Cabeza de Toro. C. Hemicycla consobrina from Guamasa; ri, ring zone.
FIGURE 8. Shells from Tenerife. A in Anatomy and function of the penial twin papillae system of the Helicinae (Gastropoda: Helicoidea: Helicidae) and description of two new, small Hemicycla species from the laurel forest of the Canary Islands
FIGURE 8. Shells from Tenerife. A. Hemicycla fulgida sp. nov., holotype. B. Hemicycla invernicata from Montaña Cabeza de Toro pine forest, near Las Lagunetas (La Esperanza forests). C. Hemicycla consobrina from Las Mercedes laurel forest.
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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
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.