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8,443 results for “gastropoda”
FIGURE 4. Diaphana hiemalis. A in The family Diaphanidae (Gastropoda: Heterobranchia: Cephalaspidea) in Europe, with a redescription of the enigmatic species C olobocephalus costellatus M. Sars, 1870
FIGURE 4. Diaphana hiemalis. A. radula (LM). B. rachidian tooth (SEM). C. detail of lateral tooth (SEM). D. male reproductive system (drawing). Abbreviations: ga, genital aperture; pr, prostate; ps, penial sheath. Scale bars: A = 25 Μm; B = 3 Μm; C = 2 Μm; D = 250 Μm.
FIGURE 8. Toledonia limnaeoides. A in The family Diaphanidae (Gastropoda: Heterobranchia: Cephalaspidea) in Europe, with a redescription of the enigmatic species C olobocephalus costellatus M. Sars, 1870
FIGURE 8. Toledonia limnaeoides. A. dorsal view of shell (SEM). B. ventral view of shell (automontage picture). C. detail of radular rachidian teeth (SEM). D. male reproductive system (drawing). Abbreviations: ga, genital aperture; pr, prostate; ps, penial sheath. Scale bars: A = 200 µm; B = 0.5 mm; C = 5 Μm; D = 20 Μm.
FIGURE 3. Diaphana hiemalis. A in The family Diaphanidae (Gastropoda: Heterobranchia: Cephalaspidea) in Europe, with a redescription of the enigmatic species C olobocephalus costellatus M. Sars, 1870
FIGURE 3. Diaphana hiemalis. A. dorsal view of complete animal. B. ventral view of complete animal. C. dorsal view of shell (SEM). D. ventral view of shell (SEM). E. apex of shell (automontage picture). F. dorsal surface of shell (SEM). Scale bars: A, B = 1 mm; C, D = 0.5 mm; E = 100 Μm; F = 50 Μm.
FIGURE 7. Diaphana minuta. A in The family Diaphanidae (Gastropoda: Heterobranchia: Cephalaspidea) in Europe, with a redescription of the enigmatic species C olobocephalus costellatus M. Sars, 1870
FIGURE 7. Diaphana minuta. A. dorsal view of shell (automontage picture). B. ventral view of shell (SEM). C. apex of shell (SEM). D. dorsal surface of shell (SEM). E. detail of radula (SEM). F. male reproductive system (drawing). Abbreviations: ga, genital aperture; pr, prostate; ps, penial sheath. Scale bars: A = 0.5 mm; B = 200 Μm; C, D, E = 100 Μm; F = 250 Μm.
FIGURE 6. Diaphana lactea. A in The family Diaphanidae (Gastropoda: Heterobranchia: Cephalaspidea) in Europe, with a redescription of the enigmatic species C olobocephalus costellatus M. Sars, 1870
FIGURE 6. Diaphana lactea. A. radula (SEM). B. detail of lateral teeth (SEM). C. rachidian teeth (SEM). D. male reproductive system (drawing). Abbreviations: ga, genital aperture, pr, prostate; ps, penial sheath; sgr, seminal groove. Scale bars: A = 30 Μm; B, C = 10 Μm; D = 200 µm.
FIGURE 10. Colpodaspis pusilla. A in The family Diaphanidae (Gastropoda: Heterobranchia: Cephalaspidea) in Europe, with a redescription of the enigmatic species C olobocephalus costellatus M. Sars, 1870
FIGURE 10. Colpodaspis pusilla. A. dorsal view of complete animal (automontage picture). B. ventral view of complete animal (automontage picture). C. lateral view of complete animal (automontage picture). D. dorsal view of shell (automontage picture). E. ventral view of shell (automontage picture). F. male reproductive system. Abbreviations: es, exhalant siphon; f, foot; ga, genital aperture; ppl, posterior pallial lobe; pr, prostate; ps, penial sheath. G. detail of shell showing apex (SEM). H. sculpture on dorsal surface of outer whorl of shell (SEM). Scale bars: A-E = 0.5 mm; F = 200 Μm; G = 50 µm; H =100 Μm.
FIGURE 6 in The Cylindrobulla / Ascobulla complex—unraveling problems in identification and adding to Cylindrobulla diversity (Gastropoda, Heterobranchia, Sacoglossa) by describing a new species
FIGURE 6. Schematic drawing of Cylindrobulla schuppi sp. nov. genital system. Abbreviations: am—ampulla, bc —bursa copulatrix, di—diaphragm, fop—female opening, mop—male opening, nigl—nidamental glands, ov—oviduct, p—penis, pr—prostate gland, ps—penial sheath, rs—receptaculum seminis, va—vaginal duct, vd—vas deferens.
FIGURE 5 in The Cylindrobulla / Ascobulla complex—unraveling problems in identification and adding to Cylindrobulla diversity (Gastropoda, Heterobranchia, Sacoglossa) by describing a new species
FIGURE 5. SEM micrographs of Cylindrobulla schuppi sp. nov. radula teeth. Scale bars: A—10 µm, B—20 µm, C and D—5 µm.
FIGURE 4 in The Cylindrobulla / Ascobulla complex—unraveling problems in identification and adding to Cylindrobulla diversity (Gastropoda, Heterobranchia, Sacoglossa) by describing a new species
FIGURE 4. Cylindrobulla schuppi sp. nov. digestive system and C. beauii radula. A—Cross section of C. schuppi sp. nov. pharyngeal bulb anterior part; B—C. schuppi sp. nov. pharyngeal bulb posterior part with ascus; Note that there are no teeth in the ascus; C—C. schuppi sp. nov. intestine, shortly after emerging from stomach; note the absence of a typhlosole; D—C. schuppi sp. nov. entire radula; E—C. beauii radula; F—C. beauii radula teeth, showing trident shape. Abbreviations: a—ascus, dg—digestive gland, i—intestine, ll—lower radular limb, od—odontophore, s—stomach, sr—salivary gland reservoir, ul—upper radular limb. Scale bars: A—50 µm, B—20 µm, C—20 µm, D—20 µm, E—50 µm, F—20 µm.
FIGURE 1 in The Cylindrobulla / Ascobulla complex—unraveling problems in identification and adding to Cylindrobulla diversity (Gastropoda, Heterobranchia, Sacoglossa) by describing a new species
FIGURE 1. External anatomy of Cylindrobulla schuppi sp. nov. and C. beauii. A—C. schuppi sp. nov. habitus (living). B—Schematic drawing showing external and internal anatomy of C. schuppi sp. nov. visible through the shell. C—C. beauii habitus (preserved). D—Schematic drawing showing external and internal anatomy of C. beauii visible through shell. E—C. schuppi sp. nov. shell apex. F—C. beauii shell apex. G—C. schuppi sp. nov. (lateral view) showing shell lip (arrow). H—C. beauii (lateral view). Abbreviations: al—albumen gland, cs—cephalic shield, dg—digestive gland, f—foot, g—gill, h—heart, k—kidney, sa—shell adductor muscle, sh—shell, sl—shell lip. Scale bars: A—2mm, C—0.5 mm, E—0.2 mm, F—0.2 mm, G—2 mm, H—0.5 mm.
FIGURE 3 in The Cylindrobulla / Ascobulla complex—unraveling problems in identification and adding to Cylindrobulla diversity (Gastropoda, Heterobranchia, Sacoglossa) by describing a new species
FIGURE 3. Cylindrobulla schuppi sp. nov. schematic drawing of digestive system. Stomach lies within digestive gland. Abbreviations: an—anus, dgl—digestive gland, ep esophageal pouch, es—esophagus, lgl—lip gland, m—mouth area, ogl—oral gland, ph—pharyngeal bulb, s—stomach, sgl—salivary gland.
FIGURE 2 in The Cylindrobulla / Ascobulla complex—unraveling problems in identification and adding to Cylindrobulla diversity (Gastropoda, Heterobranchia, Sacoglossa) by describing a new species
FIGURE 2. Cylindrobulla schuppi sp. nov. internal structures. A—eye with oblong lens; B—osphradium; C—heart; D—mantle edge; E—ciliated ridge; F—kidney and lamellate gill. Abbreviations: at—atrium, cr—ciliated ridge, g—gill, k—kidney, l—lens, mf—mantle fold, os—osphradium, pc—pigment cup, pe—pericardium, sf—shell forming gland, v—ventricle. Scale bars: A to F: 20 µm.
FIGURE 10. A in The Cylindrobulla / Ascobulla complex—unraveling problems in identification and adding to Cylindrobulla diversity (Gastropoda, Heterobranchia, Sacoglossa) by describing a new species
FIGURE 10. A comparison of radular teeth from Cylindrobulla species. A—C. beauii as drawn by Marcus (1972); B—C. beauii as observed in this analysis; C—C. gigas based on SEM micrographs made by Mikkelsen (1998); D—C. phuketi based on SEM micrographs made by Jensen (1989); E—C. xishaensis as drawn by Guangyu (1978); F—C. schuppi sp. nov. as observed in this analysis.
FIGURE 7 in The Cylindrobulla / Ascobulla complex—unraveling problems in identification and adding to Cylindrobulla diversity (Gastropoda, Heterobranchia, Sacoglossa) by describing a new species
FIGURE 7. Cylindrobulla schuppi sp. nov. genital system. A—receptaculum seminis with sperm attached to the wall; B—bursa copulatrix; C—prostate surrounding vas deferens; D—coiled vas deferens within penis; E—nidamental glands and prostate; F—cross section of small genital papilla with oviduct and vaginal duct. Abbreviations: ag—albumen gland, bc—bursa copulatrix, bw—body wall, cg—capsule gland, mg—mucous gland, ov—oviduct, p—penis, pr—prostate, rs—receptaculum seminis, s—allosperm attached to receptaculum wall, va—vaginal duct, vd—vas deferens. Scale bars: A to D and F—20 µm, E—200 µm.
FIGURE 14 in Revision of Scissurellidae, Anatomidae and Fissurellidae (Gastropoda: Vetigastropoda) from the Plio-Pleistocene of the Philippines
FIGURE 14. Cumulative depth ranges of species present in the studied fauna. 'I' refers to depth ranges of species discussed in Helwerda et al. (2014), 'II' refers to depth ranges of species discussed in the current paper. (a) Species-based cumulative depth ranges. (b) Specimen-based cumulative depth ranges.
FIGURE 13. Emarginula souverbiana Pilsbry, 1890 in Revision of Scissurellidae, Anatomidae and Fissurellidae (Gastropoda: Vetigastropoda) from the Plio-Pleistocene of the Philippines
FIGURE 13. Emarginula souverbiana Pilsbry, 1890 (=Emarginula maculata Souverbie, 1872), holotype. MHNBx (Muséum d'Histoire Naturelle de Bordeaux) 2004.TY.131. Locality Art Island, New Caledonia, Recent. Length 5.9 mm; width 4.1 mm; height 3.3 mm. (a) left view, (b) apical view. Photographs courtesy of L. Charles of MHNBx.
FIGURES 10–12. 10. Emarginula tosaensis Habe, 1953. RGM 961.722. Locality Anda3 in Revision of Scissurellidae, Anatomidae and Fissurellidae (Gastropoda: Vetigastropoda) from the Plio-Pleistocene of the Philippines
FIGURES 10–12. 10. Emarginula tosaensis Habe, 1953. RGM 961.722. Locality Anda3. (a) left view, (b) right view, (c) basal view, (d) apical view. 11. Emarginula aff. souverbiana Pilsbry, 1890. RGM 961.723. Locality Anda6. (a) left view, (b) right view, (c) basal view, (d) apical view. 12. Zeidora geigeri nov. spec. RGM 961.724. Locality Anda2. (a) left view, (b) right view, (c) basal view, (d) apical view, (e) SEM apical view, (f) SEM detail of protoconch.
FIGURES 6–9. 6 in Revision of Scissurellidae, Anatomidae and Fissurellidae (Gastropoda: Vetigastropoda) from the Plio-Pleistocene of the Philippines
FIGURES 6–9. 6. Anatoma equatoria (Hedley, 1899). RGM 961.713. Locality Anda3. (a) rear view, (b) apertural view, (c) basal view, (d) apical view. 7. Anatoma equatoria (Hedley, 1899). RGM 794.198. Locality Anda2. (a) SEM apical view, (b) SEM detail of protoconch. 8. Anatoma porcellana Geiger, 2012. RGM 961.719. Locality AndaClif3. (a) rear view, (b) apertural view, (c) basal view, (d) apical view. 9. Anatoma porcellana Geiger, 2012 RGM 794.199. Locality Anda6. (a) SEM apical view, (b) SEM detail of protoconch.
FIGURES 1–5. 1 in Revision of Scissurellidae, Anatomidae and Fissurellidae (Gastropoda: Vetigastropoda) from the Plio-Pleistocene of the Philippines
FIGURES 1–5. 1. Scissurella mirifica (A. Adams, 1862). RGM 961.705. Locality Tiep3. (a) rear view, (b) apertural view, (c) basal view, (d) apical view. For these and remaining figures, all material derives from the Piacenzian or Gelasian Santa Cruz Formation of Cabarruyan Island or nearby Luzon Island, Philippines. Scale bars shells = 500 µm, scale bars SEM = 100 µm. 2. Sinezona marrowi Geiger, 2012. RGM 961.706. Locality Anda1. (a) rear view, (b) apertural view, (c) basal view, (d) apical view, (e) SEM detail of teleoconch, (f) SEM detail of protoconch. 3. Sinezona marrowi Geiger, 2012. RGM 961.707. Locality Tiep2. (a) rear view, (b). 4. Sukashitrochus morleti (Crosse, 1880). RGM 961.708. Locality Anda2. (a) rear view, (b) apertural view, (c) basal view, (d) apical view, (e) SEM apical view, (f) SEM detail of teleoconch, (g) SEM detail of protoconch. 5. Sukashitrochus morleti (Crosse, 1880). RGM 961.709. Locality Anda4. (a) SEM detail of teleoconch.
FIGURE 12. A–F in Volutidae (Mollusca: Gastropoda) of the Lakhra Formation (Earliest Eocene, Sindh, Pakistan): systematics, biostratigraphy and paleobiogeography
FIGURE 12. A–F. Sindhiluta lakhraensis gen. nov., sp. nov., A–B (holotype, CPAG.RAN.I.48, ventral (A) and dorsal (B) views, stn 4), C–D (paratype 1, CPAG.RAN.I.49, ventral and dorsal view, stn 4), E–F (paratype 2, CPAG.RAN.I.50, dorsal view of the broken specimen showing the columellar folds (E) and enlarged view of the spire (F); G–M. Pakiluta solangii gen. nov., sp. nov., G–H (holotype, CPAG.RAN.I.51, ventral (G) and dorsal (H) views, stn 4), I–J (paratype 3, CPAG.RAN.I.54, spire (I), and enlarged view of the spire (J), stn 5), K–L (paratype 2, CPAG.RAN.I.53, spire (K) and enlarged view of the spire (L), stn 4), M (paratype 1, CPAG.RAN.I.52, ventral view, stn 4). Scale bars: A–I, K, M = 10 mm; J, L = 5 mm.
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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)
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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.