Rissoidae (Mollusca: Gastropoda) from northeast Atlantic seamounts Author Gofas, Serge text Journal of Natural History 2007 2007-06-04 41 13 - 16 779 885 http://dx.doi.org/10.1080/00222930701298085 journal article 10.1080/00222930701298085 1464-5262 5229647 Porosalvania diaphana n. sp. ( Figure 52 ) Type material Holotype MNHN 9724 (sh., 2.30× 1.36 mm ) and 37 paratypes MNHN 9782 (sh., 2.00×1.14 to 2.40× 1.30 mm ) from Seamount 2 sta. DW242, in MNHN . Figure 52. Porosalvania diaphana n. sp. (A) Holotype (sh.) from Plato seamount, DW242 (710 m), actual size 2.30 mm; (B) paratype (sh.), same locality, actual size 2.16 mm; (C) protoconch of the holotype; (D) microsculpture. Scale bars: 100 Mm (C); 50 Mm (D). Type locality