PROPEAMUSSIIDAE  

Parvamussium multiliratum

Dijkstra, 1995

Figures

 

       rv                     Holotype                           lv

Original name   Parvamussium multiliratum Dijkstra, 1995
Autoreference   Dijkstra, 1995: 26, figs 31-34, 91-92.
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 7.9 mm, L 8.9 mm, D 2.4 mm) Museum National d'Histoire Naturelle, Paris (MNHN). Type locality: S New Caledonia, 22*10'S, 167*33'E, 2100-2110 m, alive (BIOCAL stn 72).
Description

  Shell small up to ca. 8 mm high, fragile, semi-transparent white, inflated, circular, wider than high, inequivalve, nearly equilateral, auricles somewhat unequal in size and shape, umbonal angle ca. 110 degrees, colour whitish.

  Left valve smooth and glossy near umbonal region, disc sculptured with widely spaced (closer near margin), commarginal lamellae, irregular spaced weak radial riblets antero-marginally. Auricles with commarginal delicate lamellae. Right valve with regularly spaced, fine commarginal lirae. Byssal notch relatively deep, byssal fasciole narrow. Internal riblets 14 with 2 rudimentary.

Distribution

 

S New Caledonia (TL)

Habitat   Living lower bathyally and upper abyssally on soft bottom assemblages.