PECTINIDAE

Talochlamys contorta

Dijkstra, 1993

Figure

 

Holotype

Original name  Talochlamys contorta Dijkstra, 1993
Autoreference   Dijkstra, 1993: 24, figs 1-5.
Reference   Dijkstra, H.H., 1993. Talochlamys contorta n. sp. from southern East China Sea. - La Conchiglia/The Shell 25(268): 24-28, figs 1-13.
Type data   Holotype (pr: H 20.0 mm, L 18.9 mm, D 5.7 mm) Zoological Museum, University of Amsterdam, Amsterdam (ZMA Moll. 3.92.031). Type locality: Southern East China China, off NE Taiwan, dredged alive on the Taiwanese shelf by commercial fishing-boat, 1981.
Description

  Shell up to ca. 20 mm high, somewhat higher than wide, nearly equivalve and equilateral, auricles strongly unequal, umbonal angle ca. 95 degrees, basic colour creamy, with brownish and whitish spots and dots near umbonal region on left valve, right valve paler.

  Both valves sculptured with numerous, irregularly spaced primary and secondary radial riblets. Delicate antimarginal and commarginal microsculpture in interspaces of left valve, right valve with antimarginal microsculpture in early growth stage. Anterior auricle of left valve radially sculptured with 10 delicate riblets with intercostal scratches. Byssal notch moderately deep, byssal fasciole broad. Functional ctenolium on suture (ca. 5 teeth).

Distribution

 

NE Taiwan (TL)

Habitat  Living lower sublittorally to upper bathyally amongst rubble on sandy or muddy sand bottoms.