PROPEAMUSSIIDAE  

Similipecten redferni

Dijkstra, 2002

Figure(s)

 

Holotype (lv)

Original name   Similipecten redferni Dijkstra, 2002
Autoreference   Dijkstra, 2002: 191, figs 1-6.
Reference   Dijkstra, H.H., 2002. A new species of living glass-scallop, genus Similipecten (Bivalvia, Propeamussiidae), from the Bahama Islands (West Indies). - Basteria 66: 189-192, figs 1-6.
Type data   Figured holotype (lv: H 4.75 mm, L 5.01 mm) Zoological Museum, University of Amsterdam, Amsterdam (ZMA Moll. 4.02.033).Type locality: W Atlantic, West Indies, Bahama Islands, Abaco Island, N of northwest-end of Guana Cay, ca. 26*44'N, 77*09'W, 35-60 m, dead, amongst sediments on sand, leg. C. Redfern.
Description

  Shell up to ca. 4.5 mm high, fragile, semi-transparent to opaque, right valve more convex than left valve, left valve nearly flat, subcircular, inequivalve, nearly equilateral, auricles equal in size, rather broad, unequal in shape, mottled with hyaline dots or with whitish or brownish dots and patches, internal ribs lacking.

  Left valve somewhat oblique and slightly concave posteriorly with a sinuous vantral margin, weakly sculptured with numerous minute radial riblets. Fine commarginal threads in early growth stage. Anterior auricle somewhat curled on anterior side, with commarginal lamellae, posterior auricle sculptured radially or weakly reticulated.

  Right valve rather inflated, nearly smooth. Byssal notch shallow, byssal fasciole narrow, ctenolium lacking. Cardinal crura rather broad with transverse incisions.

Distribution

 

Bahama Islands (TL)

Habitat Probably living lower littorally and bathyally on rubble, sandy bottoms.