PROPEAMUSSIIDAE

Cyclopecten textus

Dijkstra & Marshall, 2008

Figures

 

                       Holotype (lv)                   

            

Original name  Cyclopecten textus Dijkstra & Marshall, 2008
Autoreference   Dijkstra & Marshall, 2008: 21, figs 17C, 17G, 18.
Reference   Dijkstra, H.H. & B.A. Marshall, 2008. The Recent Pectinoidea of the New Zealand region (Mollusca: Bivalvia: Propeamussiidae, Pectinidae and Spondylidae). - Molluscan Research 28(1): 1-88, 70 figs.
Type data   Holotype (lv: H 12.5 mm) National Institute of Water and Atmospheric Research at Wellington (NIWA). Type locality: Lord Howe Rise, 34*31.5'S, 166*21'E, 2928-2930 m, alive, RV 'Tangaroa', 23.ix.1982 (stn U195).
Description

  Shell up to 12.5 mm high, fragile, subcircular, inequivalve of sculpture, slightly equilateral, left valve distinctively more convex than right valve, auricles dissimilar in shape, anterior auricle somewhat larger than posterior one, umbonal angle ca. 120 degrees, transparent white.

  Left valve disc and auricles with reticular sculpture of closely spaced commarginal lamellae and delicate radial threads, fine solid nodules at intersections. Right valve with closely spaced commarginal lirae. Byssal notch moderately deep, byssal fasciole narrow. Internal riblets lacking.

Distribution

 

Lord Howe Rise (TL)

Habitat   Living abyssally on soft bottom assemblages.