Propeamussium richeri

Dijkstra, 2001





Original name   Propeamussium richeri Dijkstra, 2001
Autoreference   Dijkstra, 2001: 80, figs 13-16.
Reference   Dijkstra, H.H., 2001. Bathyal Pectinoidea (Bivalvia: Propeamussiidae, Entoliidae and Pectinidae) from Wallis and Futuna Islands, Vanuatu Archipelago and New Caledonia. In: P. Bouchet & B.A. Marshall (eds), Tropical Deep-Sea Benthos, volume 22. - Mˇmoires du Musˇum National d'Histoire Naturelle 185: 73-95.
Type data   Holotype (pr: H 12.9 mm, L 12.1 mm, D 2.3 mm) Musˇum National d'Histoire Naturelle, Paris (MNHN, not registered). Type locality: Eastern New Caledonia, channel SE of Ngoe, 21*45'S, 166*36'E, 250 m, alive, 19.iii.1993 (BATHUS 1, stn CP 713).

  Shell up to ca. 13 mm high, fragile, transparent, weakly inflated, circular to somewhat ovate, left valve slightly more convex than right valve, inequivalve, inequilateral, auricles rather small, unequal in size and sculpture, with delicate commarginal lirae. Shell coloured with light orange patches and numerous small white dots.

  Left valve with weak, irregularly spaced, small radial lirae and very weak, regularly spaced, commarginal growth lines in early ontogeny and minute, closely spaced, commarginal lirae to the ventral margin.

  Right valve with regularly spaced commarginal lirae. Internal ribs generally 9, with 2 anterior auricular riblets and 1 posterior. Byssal notch small, ctenolium lacking.



New Caledonia (TL)

Habitat  Living bathyally on soft bottom assemblages.