PROPEAMUSSIIDAE

Parvamussium musorstomi

Dijkstra, 2001

Figures

      outside           Holotype (lv)      inside

Original name   Parvamussium musorstomi Dijkstra, 2001
Autoreference   Dijkstra, 2001: 83, figs 25-26.
Reference   Dijkstra, H.H., 1995. 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. - Mémoires du Muséum National d'Histoire Naturelle 185: 73-95, figs 1-37.
Type data   Holotype (lv: H 8.3 mm, L 9.0 mm) Museum National d'Histoire Naturelle, Paris (MNHN). Type locality: Waterwitch Bank (Wallis and Futuna EEZ), 12*31.4'S, 176*39.6'E, 500 m, dead (MUSORSTOM 7 stn DW 529).
Description

  Shell small up to ca. 8 mm high, fragile, semi-transparent, strongly inflated, almost circular, wider than high, almost equilateral, auricles nearly equal in size and shape, umbonal angle ca. 100 degrees, umbonal region whitish opaque and scattered white spots near ventral region.

  Left valve smooth and glossy, very weakly undulated in early growth stage. Weak commarginal growth lines near ventral margin. Auricles with very weak commarginal lamellae. Internal riblets 19, plus 3 small rudimentary interstitial riblets

[Right valve not yet found] .

Distribution

 

Wallis and Futuna (TL)

Habitat   Shell bathyally on soft bottom assemblages.