Figure 55. Porosalvania hydrobiaeformis n in Rissoidae (Mollusca: Gastropoda) from northeast Atlantic seamounts

Figure 55. Porosalvania hydrobiaeformis n. sp. (A) Holotype from Atlantis seamount, DW261 (1340 m), actual size 2.26 mm; (B) paratype, same locality, actual size 2.15 mm; (C) protoconch of another paratype, same locality; (D) microsculpture, same as (B); (E, F) shells from Hyères seamount, DW203 (845 m), actual size 2.22 mm; (G) protoconch, same shell as (E); (H) microsculpture, same shell as (E). Scale bars: 100 Mm (C, G); 50 Mm (D, H).