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8,443 results for “gastropoda”
Figs 3–6 in New species of Drilliidae and Turridae from southern Africa (Mollusca: Gastropoda: Conoidea)
Figs 3–6. Some Gemmula spp.: (3, 4) G. alwyni sp. n., holotype NMSA V9764/T1874; off Amanzimtoti, KwaZulu-Natal, 330–475 m., 71.0 x 23.4 mm: (3) aperture view, (4) lateral view; (5) G. vagata (E.A. Smith, 1895), syntype of Pleurotoma vagata, ZSI M 181/1, off Trincomalee, Sri Lanka, 200–350 fath. [366–640 m], 64.7 x 21.3 mm; (6) G. unedo (Kiener, 1840), syntype of Pleurotoma unedo, MNHN, 'mers de l'Inde', 62.1 x 24.3 mm.
Figs 1, 2 in New species of Drilliidae and Turridae from southern Africa (Mollusca: Gastropoda: Conoidea)
Figs 1, 2. Inkinga carnosa sp. n., holotype NMSA W2716/T2022; off Cape St Francis, Agulhas Bank, 150 m; 13.8 x 4.7 mm: (1) aperture view, (2) lateral view.
Figs 7–9 in New species of Drilliidae and Turridae from southern Africa (Mollusca: Gastropoda: Conoidea)
Figs 7–9. Naudedrillia hayesi sp. n., holotype NMSA W2713/T2019; off Cape St Francis, Agulhas Bank, 150 m, 32.8 x 11.1 mm: (7) aperture view, (8) lateral view, (9) operculum, length 5.7 mm.
Figs 2–8 in The identities of Otitoma and Antimitra (Mollusca: Gastropoda: Conidae and Buccinidae)
Figs 2–8. Otitoma cyclophora (Deshayes, 1863). 2. Neotype of Otitoma ottitoma Jousseaume, 1898 [here designated], NMWC 1955.158.33.58, Aden; 6.5 x 2.5 mm. 3. Conducia Bay, Northern Mozambique, NMSA J4124, K. Grosch; 11.0 x 3.4 mm. 4–5. Lunga Bay, Northern Mozambique, inshore, under rock slabs on muddy sand, NMSA H376, K. Grosch; 10.6 x 3.5 mm. 6–8. ESEM, Conducia Bay, Northern Mozambique, NMSA J4124. 6. ESEM of sutural region of previous. 7. ESEM of protoconch, scale line = 200 mm. 8. ESEM of microshagreen sculpture on protoconch, scale line = 50 mm.
Fig. 1 in The identities of Otitoma and Antimitra (Mollusca: Gastropoda: Conidae and Buccinidae)
Fig. 1. Antimitra [= Metula] aegrota (Reeve, 1845): Syntype of Pleurotoma aegrota, BMNH 1963924, Singapore, 7 fath. [= approx. 13 m]; 10.5 x 3.7 mm.
Figs 1–8 in Two new species of Tricolia Risso, 1826 from South Africa (Mollusca: Gastropoda: Phasianellidae)
Figs 1–8. Tricolia adusta sp. n., variation in shell colour and pattern: (1) holotype, length 3.30 mm, width 2.24 mm, NMSA E7143/T2013; (2–8) paratypes: (2) length 2.95 mm, width 1.89 mm, NMSA E1005/T2212, (3) length 3.89 mm, width 2.36 mm, NMSA E255/T2016, (4) length 3.30 mm, width 2.01 mm, NMSA E255/T2016, (5) length 3.78 mm, width 2.36 mm, NMSA V1759/T2214, (6) length 3.30 mm, width 2.24 mm, NMSA E255/T2016, (7) length 3.07 mm, width 2.12 mm, NMSA E1005/T2212, (8) length 3.54 mm, width 2.24 mm, NMSA S8687/T2213. [Available in colour at http://www.africaninvertebrates.org.za]
Fig. 27 in Two new species of Tricolia Risso, 1826 from South Africa (Mollusca: Gastropoda: Phasianellidae)
Fig. 27. Tricolia saxatilis sp. n., external anatomy: ct – cephalic tentacles; eso – epipodial sense organ; et – epipodial tentacle; lnl – left neck-lobe; rnl – right neck-lobe.
Figs 17–20 in Two new species of Tricolia Risso, 1826 from South Africa (Mollusca: Gastropoda: Phasianellidae)
Figs 17–20. Tricolia saxatilis sp. n., variation in shell colour and pattern: (17) holotype, length 2.04 mm, width 1.70 mm, NMSA V4048/T2129; (18–20) paratypes: (18) length 1.42 mm, width 1.19 mm, NMSA E7144/T2128, (19) length 1.79 mm, width 1.48 mm, NMSA S6773/T2124, (20) length 1.64 mm, width 1.32 mm, NMSA E7144/T2128.
Fig. 15 in Two new species of Tricolia Risso, 1826 from South Africa (Mollusca: Gastropoda: Phasianellidae)
Fig. 15. Tricolia adusta sp. n., external anatomy: ct – cephalic tentacles; eso – epipodial sense organ; et – epipodial tentacle; lnl – left neck-lobe; rnl – right neck-lobe.
Fig. 28 in Two new species of Tricolia Risso, 1826 from South Africa (Mollusca: Gastropoda: Phasianellidae)
Fig. 28. Tricolia saxatilis sp. n., distribution map. Each black triangle represents one site record.
Figs 23–24 in Gulella salpinx sp. n., a new critically endangered holoendemic species from the limestone deposits of the Marble Delta, KwaZulu- Natal, South Africa (Mollusca: Gastropoda: Streptaxidae)
Figs 23–24. Gulella salpinx sp. n. Distal reproductive tract and internal penial armature. 23. Distal reproductive tract. 24. Dissection of penis to reveal internal armature; the wall of the penis has been cut longitudinally in the dorso-lateral area and the cut walls spread apart. ap, annular pilaster; atr, atrium; emb, embryo; fov, free oviduct; fst, fibrous spinule tuft; gp, genital pore; gsp, granular spinules; pen, penis; pgl, prostate gland; prm, penial retractor muscle; spc, spermatheca; spcd, spermathecal duct; tsp, trigonal spinules; ute, uterus; vag, vagina; vd, vas deferens; vpr, ventral pilaster ridge.
Fig. 1 in Gulella salpinx sp. n., a new critically endangered holoendemic species from the limestone deposits of the Marble Delta, KwaZulu- Natal, South Africa (Mollusca: Gastropoda: Streptaxidae)
Fig. 1. Map of Port Shepstone area and coastal hinterland, showing location of Marble Delta (stippled area). The type locality of Gulella salpinx sp. n. is marked with a black triangle; the cross hatched area indicates the built-up coastal strip.
Figs 12–15 in Gulella salpinx sp. n., a new critically endangered holoendemic species from the limestone deposits of the Marble Delta, KwaZulu- Natal, South Africa (Mollusca: Gastropoda: Streptaxidae)
Figs 12–15. Gulella salpinx sp. n. 12. Paratype, granular microsculpture inside aperture, scale bar = 50 m. 13. Intervals between axial ribs, scale bar = 200 m. 14. Paratype, embryonic shell, scale bar = 0.5 mm. 15. Paratype, first whorl of embryonic shell, scale bar = 200 m.
Figs 19–22 in Gulella salpinx sp. n., a new critically endangered holoendemic species from the limestone deposits of the Marble Delta, KwaZulu- Natal, South Africa (Mollusca: Gastropoda: Streptaxidae)
Figs 19–22. Gulella salpinx sp. n. radula. 19. Active zone of radula at anterior odontophoral flexure, scale bar = 75 m. 20. Half-row of preceding edge of radula folded under and outermost 2–4 teeth not visible, scale bar = 25 m. 21. Zone of lateral maximum, showing basal attachment and elongate shaft/cusp, scale bar = 20 m. 22. Rachidian and shorter, innermost lateral teeth, scale bar = 10 m.
Figs 2–7 in Gulella salpinx sp. n., a new critically endangered holoendemic species from the limestone deposits of the Marble Delta, KwaZulu- Natal, South Africa (Mollusca: Gastropoda: Streptaxidae)
Figs 2–7. Gulella salpinx sp. n. 2–4. Holotype, length = 7.14mm. 5. Paratype, cylindrical specimen, length = 6.97mm. 6. Paratype, squat, obovate specimen, length = 6.56mm. 7. Paratype, oblique basal view to show umbilicus.
Figs 16–17 in Gulella salpinx sp. n., a new critically endangered holoendemic species from the limestone deposits of the Marble Delta, KwaZulu- Natal, South Africa (Mollusca: Gastropoda: Streptaxidae)
Figs 16–17. Gulella salpinx sp. n. 16. Axial microsculpture on base of juvenile, scale bar = 100 m. 17. Embryo ex utero, scale bar = 0.5 mm.
Fig. 26 in New species of land snails (Mollusca: Gastropoda) from two isolated karst formations in central western Madagascar: Tsingy Beanka and Antsingimavo, with additional notes on other regional endemics
Fig. 26. Species illustrated for comparative purposes: (A–C) Tropidophora moulinsii, holotype of Cyclostoma moulinsii Grateloup, 1840, 'Madagascar', max. diameter 33.1 mm, NHMUK 1907.11.22.12; (D–F) Tropidophora thesauri Fischer-Piette, 1949, Orangea, Diego Suarez [= Antsiranana] district, max. diameter 38.0 mm, NMSA L8438; (G–I) Tropidophora reticulata, one of three syntypes of Cyclostoma reticulatum (Adams & Reeve, 1850), 'Madagascar', max. diameter 15.1 mm, NHMUK 1874.12.11.231; (J–L) Kalidos hova, syntype of Nanina hova Odhner, 1919, Catsèpe, Madagascar, max. diameter 24.4 mm (SMNH).
Fig. 23 in New species of land snails (Mollusca: Gastropoda) from two isolated karst formations in central western Madagascar: Tsingy Beanka and Antsingimavo, with additional notes on other regional endemics
Fig. 23. Kalidos maryannae sp. n.: (A–C) holotype, max. diameter 27.3 mm, height 17.7 mm, AMS C.474168; (D–J) paratypes, NMSA L8470/T2904: (D) specimen with bands of intermediate strength, max. diameter 29.3 mm; (E) specimen with broad brown bands and low spire, max. diameter 27.0 mm; (F) specimen spire of intermediate height, max. diameter 28.3 mm; (G, H) fresh subadult with unfaded colour pattern, max. diameter 24.8 mm; (I) large specimen with additional ⅛ whorl of growth, max. diameter 29.3 mm; (J) juvenile showing angular periphery, max. diameter 15.2 mm; (K) holotype, portion of last adult whorl showing sculpture of growth-lines and spiral threads.
Fig. 20 in New species of land snails (Mollusca: Gastropoda) from two isolated karst formations in central western Madagascar: Tsingy Beanka and Antsingimavo, with additional notes on other regional endemics
Fig. 20. Ampelita namerokoensis Fischer-Piette, 1952, genitalia, NMSA L8442: (A) entire reproductive tract; (B) external view of penial complex; (C) penis opened longitudinally to show internal folds and raised papilla at insertion of epiphallus. Abbreviations: ag – albumen gland, bc – bursa copulatrix, bcd – bursa copulatrix duct, ep – epiphallus, ga – genital atrium, hd – hermaphrodite duct, od – oviduct, p – penis, pf – folds lining penis lumen, pp – penis papilla, pr – prostate, prm – penial retractor muscle, v – vagina, vd – vas deferens.
Fig. 18 in New species of land snails (Mollusca: Gastropoda) from two isolated karst formations in central western Madagascar: Tsingy Beanka and Antsingimavo, with additional notes on other regional endemics
Fig. 18. Ampelita milloti Fischer-Piette, 1952, Tsingy Beanka, st'n 16/06, max. diameter 24.8 mm, NMSA L7127.
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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
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