PECTINIDAE

Lamellipecten aduncus

Dijkstra & Maestrati, 2010

Figures

 

   Holotype

                                                   

Original name   Lamellipecten aduncus Dijkstra & Maestrati, 2010
Autoreference   Dijkstra & Maestrati, 2010: 345-346, figs 3F-K.
Reference   Dijkstra, H.H. & P. Maestrati, 2010. Pectinoidea (Mollusca, Bivalvia, Propeamussiidae, Entoliidae and Pectinidae) from the Austral Islands (Frnch Polynesia. - Zoosystema 32 (2): 333-358, 5 figs, 4 tabs.
Type data   Holotype (H 13 mm, L 13.1 mm, D 3.2 mm) Muséum National d'Histoire Naturelle (MNHN 21381). Type locality: Austral Islands, north of Rurutu, 22*25.1'S, 151*22.1'W, 270-500 m, alive, N.O. "Alis", leg. P. Bouchet & B. Richer de Forges, 23.xi.2002 (BENTHAUS stn DW 1999).
Description

  Shell up to ca. 28 mm high, fragile, compressed, right valve slightly more inflated than left valve, somewhat higher than wide, inequivalve and equilateral, auricles unequal in shape and size, umbonal angle ca. 105 degrees, inner surface somewhat irregularly radially undulated, opaque whitish.

  Valves sculptured with widely spaced, radial lirae (ca. 10, increasing to 45 ventrally), covered with commarginal lamellae, forming almost hollow sections on the lirae. Byssal notch shallow, byssal fasciole narrow. Ctenolium lacking.

Distribution

 

Austral Islands (TL)

Habitat  Living littorally at 3-52 m.