PROPEAMUSSIIDAE  

Cyclopecten horridus

Dijkstra, 1995

Figures

 

 

      lv                     Holotype                          rv

Original name  Cyclopecten horridus Dijkstra, 1995
Autoreference   Dijkstra, 1995: 41, figs 63-64, 98.
Reference   Dijkstra, H.H., 1995. Bathyal Pectinoidea (Bivalvia: Propeamussiidae, Entoliidae, Pectinidae) from New Caledonia and adjacent areas. In: P. Bouchet (ed.), Résultats des Campagnes MUSORSTOM, volume 14. - Mémoires du Muséum National d'Histoire Naturelle 167: 9-73, figs 1-154.
Type data   Holotype (pr: H 5.9 mm, L 6.0 mm, D 1.6 mm) Museum National d'Histoire Naturelle, Paris (MNHN). Type locality: Loyalty Islands, 20*29'S, 166*43'E, 600 m, alive (MUSORSTOM 6 stn DW 420).
Description

  Shell small up to ca. 6 mm high, fragile, whitish opaque, weakly inflated, nearly circular, left valve slightly more convex than right valve, inequivalve, somewhat inequilateral, auricles unequal in size, umbonal angle ca. 125 degrees.

  Left valve sculptured throughout (also on auricles) with regularly and closely spaced, commarginal lamellae with strongly developed hollow spines. Right valve with regularly narrow spaced, delicate commarginal lirae. Byssal notch relatively deep, byssal fasciole narrow. Internal riblets lacking. Marginal apron of right valve often broken off.

Distribution

 

Coral Sea, New Caledonia, Loyalty Islands (TL), Tasman Sea

Habitat   Living bathyally on soft bottom assemblages.