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50 results for “Gulella”
Fig. 9 in Eight new species of Gulella Pfeiffer, 1856 from the south-east coast of South Africa (Gastropoda: Streptaxidae)
Fig. 9. Gulella abbotti sp. nov., holotype (NMSA W9602/T4522), length 2.55 mm, width 0.81 mm. A. Aperture view. B. Side view. C. View into aperture. D. Oblique view of base showing umbilicus. Scale bar = 0.5 mm.
Fig. 3 in Eight new species of Gulella Pfeiffer, 1856 from the south-east coast of South Africa (Gastropoda: Streptaxidae)
Fig. 3. Gulella fordycei sp. nov., holotype (NMSA P1679/T4525), length 2.34 mm, width 1.06 mm. A. Aperture view. B. Side view. C. Oblique view into aperture. D. Oblique view of base showing umbilicus. Scale bar = 0.5 mm.
Figs 14–19 in Two new species of Gulella (Mollusca Pulmonata: Streptaxidae) from the Taita Hills Kenya
Figs 14–19. Gulella nictitans sp. n., anatomy of paratype 2: (14) salivary gland from columellar side; (15) penis opened dorsally; (16–18) hooks from penis; (19) genitalia from dorsal side. Abbreviations: bc – bursa copulatrix, p – penis, prm – penial retractor muscle, sgd – salivary gland duct, v – vagina, vd – vas deferens.
Figs 8–13 in Two new species of Gulella (Mollusca Pulmonata: Streptaxidae) from the Taita Hills Kenya
Figs 8–13. Gulella ndiwenyiensis sp. n., anatomy of paratype 1: (8) salivary gland from columellar side; (9) penis from ventral side; (10) genitalia from dorsal side; (11) penis opened from dorsal side; (12, 13) views of interior surface of penis, greatly enlarged. Abbreviations: bc – bursa copulatrix, bsr – basal sheath retractor muscle, p – penis, pa – penial appendix, prm – penial retractor muscle, ps – penial sheath, sgd – salivary gland duct, v – vagina, vd – vas deferens.
Figs 1–7 in Two new species of Gulella (Mollusca Pulmonata: Streptaxidae) from the Taita Hills Kenya
Figs 1–7. New Gulella species from Kenya: (1–3) G. ndiwenyiensis sp. n., holotype shell, length 4.9 mm; (4–7) G. nictitans sp. n.: (4–6) holotype shell (length 3.8 mm), (7) aperture of paratype 1.
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.
Figs 6–11 in Four new narrow-range endemic species of Gulella from Eastern Cape, South Africa (Mollusca: Pulmonata: Streptaxidae)
Figs 6–11. Gulella dejae sp. n., holotype. 6, 7, apertural and lateral views of shell, length = 2.8 mm; 8, enlarged view of the aperture, bar = 0.3 mm; 9, umbilical region, bar = 0.3 mm; 10, detail of sculpture (start of last whorl), bar = 50 µm; 11, microsculpture on embryonic shell, bar = 40 µm.
Figs 1–5 in Four new narrow-range endemic species of Gulella from Eastern Cape, South Africa (Mollusca: Pulmonata: Streptaxidae)
Figs 1–5. Gulella hamerae sp. n., holotype. 1, 2, apertural and lateral views of shell, length = 2.7 mm; 3, oblique view into aperture, bar = 0.25 mm; 4, detail of sculpture (start of last whorl), bar = 100 µm; 5, microsculpture on embryonic shell, bar = 100 µm.
Figs 18–23 in Four new narrow-range endemic species of Gulella from Eastern Cape, South Africa (Mollusca: Pulmonata: Streptaxidae)
Figs 18–23. Gulella newmani sp. n., holotype. 18, 19, apertural and lateral views of shell, length = 3.68 mm; 20, enlarged view of the aperture, bar = 0.5 mm; 21, umbilical region, bar = 0.25 mm; 22, detail of sculpture (first quarter of last whorl, bar = 75µm; 23, microsculpture on embryonic shell, partly eroded, bar = 30µm.
Fig. 2 in Pupa menkeana Pfeiffer, 1853, type species of the speciose land snail genus Gulella Pfeiffer, 1856: correction of longstanding PLVLGHQWL¿FDWLRQ DQG GHVLJQDWLRQ RI QHRW\SH (Mollusca: Eupulmonata: Streptaxidae)
Fig. 2. (A, B) lectotype and paralectotype of Ennea adamsiana Pfeiffer, 1859 in 1854–1860, 'Port Natal, M.C. [Mus. Cuming]', length 8.45 and 8.1 mm (NHMUK 20110168); (C, D) syntypes of Ennea impervia Melvill & Ponsonby, 1896, 'Natal', length 8.8 and 8.75 mm (NHMUK 1903.3.11.85–86); (E) holotype of Ennea aurisleporis Melvill & Ponsonby, 1898, 'Natal', length 6.65 mm (NHMUK 1903.3.11.69); (F) holotype of Ennea socratica Melvill & Ponsonby, 1893, 'Pietermaritzburg', length 8.45 mm (NHMUK 1903.3.11.78); (G) Gulella menkeana, small inland form, Cumberland, Pietermaritzburg, length 7.2 mm (NMSA V9709); (H) G. menkeana, large form from coastal E. Cape, Port St Johns, length 9.24 mm (NMSA W561); (I) Pupa wahlbergi Krauss, 1848, probable paratype in SMNH, length 10.1 mm (SMNH-Type-2112); (J, K) P. wahlbergi Krauss, 1848, neotype, Durban Bluff, length 9.84 mm, diameter 4.92 mm (NMSA W7942/T2669); (L) holotype of Ennea formosa Melvill & Ponsonby, 1898, Pietermaritzburg, length 7.75 mm (NHMUK 1903.3.11.79).
Fig. 12 in Seven new narrowly endemic species of Gulella Pfeiffer, 1856 from eastern South Africa (Gastropoda, Streptaxidae) and status revision for another
Fig. 12. Gulella libertas sp. nov., holotype (NMSA W9287/T4601), length 2.6 mm, width 1.2 mm. A. Aperture view. B. Side view. C. Detail of aperture. D. Oblique view of base showing umbilicus.
Fig. 10 in Seven new narrowly endemic species of Gulella Pfeiffer, 1856 from eastern South Africa (Gastropoda, Streptaxidae) and status revision for another
Fig. 10. Gulella nkandla sp. nov., holotype (NMSA-Mol 0P2361/T4610), length 3.8 mm, width 1.9 mm. A. Aperture view. B. Side view. C. Detail of aperture. D. Oblique view of base showing umbilicus.
Fig. 9 in Seven new narrowly endemic species of Gulella Pfeiffer, 1856 from eastern South Africa (Gastropoda, Streptaxidae) and status revision for another
Fig. 9. Distribution map of Gulella hlathikhulu sp. nov. (green circles), G. nkandla sp. nov. (yellow triangles), G. mystica sp. nov. (red squares) and G. libertas sp. nov. (blue circle) in north-central KwaZulu-Natal. Contours at 1000 m and 2000 m.
Fig. 7 in Seven new narrowly endemic species of Gulella Pfeiffer, 1856 from eastern South Africa (Gastropoda, Streptaxidae) and status revision for another
Fig. 7. Gulella mcmasteri sp. nov., holotype (NMSA-Mol 0P2359/T4608), length 2.5 mm, width 1.1 mm. A. Aperture view. B. Side view. C. Detail of aperture. D. Oblique view of base showing umbilicus.
Fig. 11 in Seven new narrowly endemic species of Gulella Pfeiffer, 1856 from eastern South Africa (Gastropoda, Streptaxidae) and status revision for another
Fig. 11. Gulella mystica sp. nov., holotype (NMSA W1181/T4600), length 3.3 mm, width 1.7 mm. A. Aperture view. B. Side view. C. Oblique view into aperture. D. Oblique view of base showing umbilicus.
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