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8,443 results for “gastropoda”
FIGURE 4 in Diaphorodoris alba Portmann & Sandmeier, 1960 is a valid species: molecular and morphological comparison with D. luteocincta (M. Sars, 1870) (Gastropoda: Nudibranchia)
FIGURE 4. (A) The ABGD histogram of the COI barcoding region shows the distribution of the pairwise estimated genetic distances (K2p) in intraspecific (left, light grey) and interspecific (right, dark grey) comparisons. (B) COI haplotype network showing genetic mutations occurred within Diaphorodoris species and including the out group (C) The PhyloMap-PTP visualizes the results obtained by the PTP analysis (COI) with each circle in the plot representing taxa with different species colored differently. Numbers at circles indicate the Bayesian support values of the species hypothesis. (D) 2D/3D folding analysis of the variable region L9 of the 16S RNA molecules of D. alba and D. luteocincta respectively. The * symbol indicates the diagnostic nucleotide substitutions.
FIGURE 3 in Diaphorodoris alba Portmann & Sandmeier, 1960 is a valid species: molecular and morphological comparison with D. luteocincta (M. Sars, 1870) (Gastropoda: Nudibranchia)
FIGURE 3. Reproductive systems of (A, B) D. alba and (C, D) D. luteocincta. Scale bar: 1 mm. Abbreviations: am=ampulla, bc=bursa copulatrix, dd=deferent duct, pn=penial sheath, pr=prostate, sr=seminal receptacle, v=vagina.
FIGURES 1–6 in Tractolira delli, a new Volutidae (Mollusca: Gastropoda: Neogastropoda) from the abyssal plains off Antarctica
FIGURES 1–6. Shells of Tractolira species. 1, 2, 5. Tractolira delli new species. 1. Holotype, USNM 860631, 52.4 mm length (broken shell), Scott Island Bank, eastern Ross Sea, Antarctica, 69º03'–69º05' S, 179º41'– 179º22' E, 3519–3596 m. Scale bar = 20 mm. 2. Paratype 1, off Victoria Land, Antarctica, USNM 860632, 72º58'–72º57' S, 174º24'–174º25' E. Scale bar = 10 mm. 5. Paratype 1, detail of shell surface on penultimate whorl. Scale bar = 1 mm. 3. Tractolira sparta Dall, 1896, holotype, USNM 122999, 60.0 mm length, USNS ALBATROSS station 3360, 24 Feb. 1891,"Gulf of Panama to Acapulco", Mexico. 4, 6. Tractolira germonae Harasewych, 1987. 4. Holotype, USNM 859076, 59.1 mm length, east of Candlemas Island, South Sandwich Islands. Scale bar = 20 mm. 6. USNM 860623, detail of shell surface on penultimate whorl. Scale bar = 1 mm.
FIGURES 7–9 in Tractolira delli, a new Volutidae (Mollusca: Gastropoda: Neogastropoda) from the abyssal plains off Antarctica
FIGURES 7–9. Radulae of Tractolira species, dorsal and 45 oblique views. 7. Tractolira delli new species, holotype, USNM 860631. 8. Tractolira sparta Dall, 1896, SIO M1639, off Ensenada, Baja California Norte, Mexico. 9. Tractolira germonae Harasewych, 1987, USNM 881012, off South Sandwich Islands. Scale bars = 200 m.
FIGURE 1 in Revision of the systematic status of Helminthoglypta walkeriana morroensis (Hemphill, 1911) (Gastropoda: Pulmonata)
FIGURE 1. Geographic distribution of Helminthoglypta walkeriana () and Helminthoglypta morroensis () shown as line polygons. Open symbols represent locations of occurrence; filled symbols indicate sites where shells were collected for morphometric analyses (see Table 1 for site descriptions and abbreviations). Projected distribution of H. morroensis beyond documented shell occurrences based on topography, soils, and vegetation similarities with known sites. Shaded regions are communities, as labeled.
FIGURES 5–12 in Revision of the systematic status of Helminthoglypta walkeriana morroensis (Hemphill, 1911) (Gastropoda: Pulmonata)
FIGURES 5–12. Shells of Helminthoglypta morroensis and H. walkeriana. Figures 5–8. Helminthoglypta morroensis, BR 2571, Highway 1 at Stenner Road, San Luis Obispo; top, side, and basal views of shell and detail of papillose sculpture (scored as Ppl = 3, see Methods section) on shoulder of penultimate and body whorls. Shell diameter 23.1 mm. Figures 9–12. Helminthoglypta walkeriana, BR 2568, Elfin Forest; detail of papillose sculpture (Ppl = 1) and spiral grooves (Grv = 2) on shoulder of penultimate and body whorls, top, side, and basal views of shell. Shell diameter 22.1 mm.
FIGURE 1 in Kootenaia burkei, a new genus and species of slug from northern Idaho, United States (Gastropoda: Pulmonata: Arionidae)
FIGURE 1: Relief map of Idaho showing the localities of Kootenaia burkei new species. 1) Little Bumblebee Creek, Shoshone County (type locality), 2) Trestle Creek, Bonner County, 3) Beauty Creek, Kootenai County, 4) Heyburn State Park, Benewah County, and 5) East side of Harrison, Kootenai County. For detailed locality information see the Appendix. The lower photograph shows paratype CM66247.
FIGURE 3 in Kootenaia burkei, a new genus and species of slug from northern Idaho, United States (Gastropoda: Pulmonata: Arionidae)
FIGURE 3. Eggs of Kootenaia burkei photographed on 10 September 2003, 62 days after being laid in the laboratory.
FIGURES 1314 in A new species of Gastropteridae (Gastropoda, Opisthobranchia, Cephalaspidea) from tropical Northeast Australia
FIGURES 1314: Radula morphology of Siphopteron leah sp. nov. 13: inner and outer laterals; 14: close up of inner lateral showing two denticles at inner margin.
FIGURES 67 in Redescription, shell variability and geographic distribution of Plagiodontes dentatus (Wood, 1828) (Gastropoda: Orthalicidae: Odontostominae) from Uruguay and Argentina
FIGURES 67. SEM photographs of the teleoconch sculpture near the aperture lip. 6, Plagiodontes dentatus; 7, P. multiplicatus.
FIGURES 1416 in Redescription, shell variability and geographic distribution of Plagiodontes dentatus (Wood, 1828) (Gastropoda: Orthalicidae: Odontostominae) from Uruguay and Argentina
FIGURES 1416. SEM photographs of the apertural teeth in Plagiodontes spp. 14, P. dentatus; 15, P. multiplicatus (arrow indicates the presence of a denticle on the columellar tooth); 16, P. patagonicus.
FIGURES 1826 in On the taxonomy of Turbonilla puncta (C. B. Adams, 1850) (Gastropoda, Pyramidellidae), with the description of a new species from Brazil and remarks on other western atlantic species
FIGURES 1826: Turbonilla obsoleta Dall, 1892: 18 holotype (USNM 113233), length: 4.5 mm; 19 whole shell (MORG 38640), length: 4.4 mm; 20 whole shell (MNHN), length: 4.6 mm; 21 whole shell (MORG 23912), length: 5.4 mm; 22 whole shell (MORG 38640); 23 whole shell (MNHN), length: 4.7 mm; 24 base (MORG 38640); 25 protoconch (MNHN); 26: base (MNHN). Scale bars: 300 m.
FIGURES 18 in On the taxonomy of Turbonilla puncta (C. B. Adams, 1850) (Gastropoda, Pyramidellidae), with the description of a new species from Brazil and remarks on other western atlantic species
FIGURES 18: Turbonilla puncta (C.B.Adams, 1850). 1 Turbonilla puncta (neotype = holotype of Turbonilla alfredi Abbott, 1958 (ANSP 198692), length: 5.6 mm; 2 whole shell (ANSP 371203), length: 4.2 mm; 3 whole shell (IBUFRJ 9722), length: 5.1 mm; 4 whole shell (IBUFRJ 9722), length: 5.5 mm; 5 protoconch (IBUFRJ 9722); 6 detail of base of neotype; 7 detail of last two whorls (IBUFRJ 9722); 8 last whorl (IBUFRJ 9722). Scale bars: 6: 200 m; 5, 7, 8: 500 m.
FIGURES 912 in On the taxonomy of Turbonilla puncta (C. B. Adams, 1850) (Gastropoda, Pyramidellidae), with the description of a new species from Brazil and remarks on other western atlantic species
FIGURES 912: Turbonilla puncta (C.B.Adams, 1850). 9 Syntype of Turbonilla peilei Dall & Bartsch, 1911 (USNM 221610), length: 6.8 mm; 10 base of syntype of T. peilei; 11 syntype of Turbonilla haycocki Dall & Bartsch, 1911 (USNM 221611), length: 5.5mm; 12 base of syntype of T. haycocki. Scale bars: 500 m.
FIGURE 17–18 in A new species of Simrothula (Gastropoda, Soleolifera, Veronicellidae) from Northern Brazil
FIGURE 17–18. View of the penis. 17. Simrothula columbiana (modified after Thomé, 1970); 18. S. fuhrmanni (MCP 8820).
FIGURE 14–16 in A new species of Simrothula (Gastropoda, Soleolifera, Veronicellidae) from Northern Brazil
FIGURE 14–16. Reproductive system of Simrothula paraensis sp. nov. (BMNH 20060092). 14–16. Arrangement of the genital organs around the female genital pore (MPEG 2735). ab, accessory gland; cb, bursa copulatrix; db, duct of the bursa copulatrix; dd, distal posterior vas deferens; df, anterior vas deferens; di, digitiform formation; dp, proximal posterior vas deferens; dt, course of the vas deferens in the integument; el, laminar expansion; fc, fertilization complex; fg, female genital pore; gb, albumen gland; gn, glans; gh, hermaphroditic gland; jd, canalis junctor; md, medium vas deferens; ol, spermoviduct; ov, oviduct; pl, penial gland papilla; pr, prostate; rp, penis retractor; sv, seminal vesicle; tp, penial gland tubules; vg, penis base.
FIGURE 10–13 in A new species of Simrothula (Gastropoda, Soleolifera, Veronicellidae) from Northern Brazil
FIGURE 10–13. Reproductive system of Simrothula paraensis sp. nov. (BMNH 20060092). 10. Complete reproductive system. 11–13. Three different views of the penis from an adult specimen (BMNH 20060092).
FIGURE 4–9 in A new species of Simrothula (Gastropoda, Soleolifera, Veronicellidae) from Northern Brazil
FIGURE 4–9. Jaw and radula of Simrothula paraensis sp. nov. (MPEG 2736). 4. Jaw (frontal view). 5. Medium part of the left half of the radula showing the central and lateral teeth. 6. Detail of the central region of the radula. 7. Lateral teeth near to the central teeth. 8. Lateral teeth gradually smaller towards the edges. 9. Lateral teeth near to the edge.
FIGURE 1–3 in A new species of Simrothula (Gastropoda, Soleolifera, Veronicellidae) from Northern Brazil
FIGURE 1–3. Specimens of Simrothula paraensis sp. nov. 1. Dorsal view of an specimen with brownish notum (MCP 8819). 2. Dorsal view of an specimen with a yellowish notum (MPEG 2735). 3. Ventral view (MPEG 2735).
FIGURE 2 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 2. Monilearia tubaeformis sp. nov. holotype shell showing the placement of the measurements obtained for table 2. BH, body whorl height (without the aperture zone); D1, maximum shell diameter; D2, shell diameter perpendicular to D1; FP, shell frontal perimeter; FS, shell frontal surface (plane view); SH, shell height; SP, shell perimeter (dorsal plane view); SS, shell surface (dorsal plane view).
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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.