PECTINIDAE

Scaeochlamys squamea

Dijkstra & Maestrati, 2009

Figures

 

   

                                                     Holotype                                                       

  

Original name   Scaeochlamys squamea Dijkstra & Maestrati, 2009
Autoreference   Dijkstra & Maestrati, 2009: 45-48, pl. 4, figs 32-36.
Reference   Dijkstra, H.H. & P. Maestrati, 2009. New bathyal species and records of Pectinoidea (Bivalvia: Propeamussiidae and Pectinidae) from Taiwan. - Bulletin of Malacology 33: 37-54, 36 figs, 1 tab.
Type data   Holotype (H 22.5 mm, L 18.5 mm, D 9 mm) National Museum of Natural Science, Taichung, Taiwan (NMNS-5904-001). Type locality: Taiwan, 24*57'N, 122*03'E, 115-170 m, alive, Warén dredge, leg. Bouchet, Richer de Forges & Chan, 07.v..2001 (TAIWAN 2001 stn CP 76).
Description

  Shell up to ca. 60 mm high, most specimens smaller to ca. 40 mm, weakly inflated, almost equally convex, opisthogyrate, elongate, inequivalve and inequilateral, auricles strongly unequal, umbonal angle 85-90 degrees, colour polychromatic.

  Valves with ca. 24-36 (lv 24-30, rv 30-36) irregularly spaced, scaly radial ribs (different in prominence). Ribs on right valve somewhat weaker than of left valve. Byssal notch deep, byssal fasciole broad. Functional ctenolium well-developed with 5-7 teeth.

Distribution

 

S Japan, E and S China Sea, Taiwan (TL), Philippines, Indonesia, N Australia

Habitat  Living sublittorally to upper bathyally.