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8 results for “Columbella”
FIG. 8 in An assessment of the genus Columbella Lamarck, 1799 (Gastropoda: Columbellidae) from eastern Atlantic
FIG. 8. — Protoconchs of Columbella spp.: A, Columbella adansoni Menke, 1853, Tenerife Is., Canary Islands; B, Columbella xiphitella Duclos, 1840, Miemia, Ghana; C, Columbella rustica (Linnaeus, 1758), San Domino Is., Italy. Arrows indicate the protoconch-teleoconch boundary. Scale bars: 100 µm.
FIG. 6 in An assessment of the genus Columbella Lamarck, 1799 (Gastropoda: Columbellidae) from eastern Atlantic
FIG. 6. — Columbella spp. types: A, B, Columbella rustica (Linnaeus, 1758), syntype of Voluta rustica (LSL.348), Mediterranean (permission of The Linnean Society of London); C, D, Columbela adansoni Menke, 1853, lectotype SMF, Cape Verde (after Moolenbeek & Hoenselaar 1991, figs 1, 2); E-G, Columbella xiphitella Duclos, 1840, lectotype (F, G) and paralectotypes (E) from lot MNHN-IM-2000-9599, Gabon; H-L, Columbella xiphitella, lectotype (H, J, K) and paralectotypes (I, L) of C. nucleus Kiener, 1841 from lot MHNG-MOLL-95502. Symbols:, the selected lectotypes;, the paralectotype with close-up of the protoconch (L).
FIG. 1 in An assessment of the genus Columbella Lamarck, 1799 (Gastropoda: Columbellidae) from eastern Atlantic
FIG. 1. — Map of the collecting sites (for details see Table 1). Symbols: �, Columbella rustica (Linnaeus, 1758); �, Columbella adansoni Menke, 1853;
FIG. 9 in An assessment of the genus Columbella Lamarck, 1799 (Gastropoda: Columbellidae) from eastern Atlantic
FIG. 9. — Radula of Columbella xiphitella Duclos, 1840: A, Miemia, Ghana; B, Lagoa Azul, São Tomé, detail of the rachidian. Scale bars: 100 µm.
FIG. 4 in An assessment of the genus Columbella Lamarck, 1799 (Gastropoda: Columbellidae) from eastern Atlantic
FIG. 4. — ML tree based on the 16S dataset (HKY + I + G model of evolution). Numbers at nodes indicate the support by BI Bps (107 generations and 25% burn in) and ML bs (1000 replicates).
FIG. 7 in An assessment of the genus Columbella Lamarck, 1799 (Gastropoda: Columbellidae) from eastern Atlantic
FIG. 7. — Columbella xiphitella Duclos, 1840 Gabon: A, B, MNHN IM-2000-32498; C, D, MNHN IM-2000-32498; E, F, BAU 1120.7; G, H, paralectotype from lot MNHN-IM-2000-9599. Scale bars: 10 mm.
FIG. 2 in An assessment of the genus Columbella Lamarck, 1799 (Gastropoda: Columbellidae) from eastern Atlantic
FIG. 2. — Histogram of the distribution of the pairwise estimated genetic distances (K2p) in intraspecific (left, dark grey) and interspecific (right, light grey) comparisons among Columbellidae Swainson, 1840.
FIG. 3 in An assessment of the genus Columbella Lamarck, 1799 (Gastropoda: Columbellidae) from eastern Atlantic
FIG. 3. — ML tree based on the COI dataset (HKY + I + G model of evolution). Numbers at nodes indicate the support by BI Bps (107 generations and 25% burnin) and ML bs (1000 replicates). Asterisks indicate shorter sequences (288 bp).
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