Figure 5 in Rissoidae (Mollusca: Gastropoda) from northeast Atlantic seamounts
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Figure 5. Alvania species from Lusitanian seamounts, shared with the mainland shelf. (A) A. cancellata (da Costa, 1778), shell from Gorringe seamount, DW33 (55–70 m), actual size 4.90 mm; (B) A. cancellata, protoconch of a shell from Ampère seamount, DE98 (300–325 m); (C) A. zylensis Gofas and Warén, 1982 from Gorringe seamount, CP20 (305–320 m), actual size 2.25 mm; (D) protoconch of the same specimen; (E) A. zylensis from Ampère seamount, DW92 (117–129 m), actual size 2.00 mm; (F) A. punctura (Montagu, 1803), protoconch of a shell from Gorringe seamount, CP 20; (G) Alvania vermaasi van Aartsen, 1975, protoconch of a shell from Gorringe seamount, DW08 (470–485 m). Scale bars: 100 Mm.
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