PROPEAMUSSIIDAE  

Parvamussium conspectum

Dijkstra & Kastoro, 1997

Figure(s)

   

    

lv                                                rv

Holotype

Original name   Parvamussium conspectum Dijkstra & Kastoro, 1997
Autoreference   Dijkstra & Kastoro, 1997: 258, figs 48-61.
Reference   Dijkstra, H.H. & Kastoro, W.W., 1997. Mollusca Bivalvia: Pectinoidea (Propeamussiidae and Pectinidae) from eastern Indonesia. In: A. Crosnier & P. Bouchet (eds), Rˇsultats des Campagnes MUSORSTOM, Volume 16. Pp 245-285, figs 1-159. - Mˇmoires du Musˇum National d'Histoire Naturelle 172. Paris. 667 pp.
Type data

  Holotype (pr: H 5.1 mm, L 4.7 mm, D 1.1 mm) Musˇum National d'Histoire Naturelle, Paris (MNHN, not registered). Type locality: Indonesia, Kai Islands, 50*17.S, 132*41'E, 212-221 m, alive, 24.10.1991 (KARUBAR stn DW 15).

Description

  Shell up to ca. 5 mm high, fragile, semi-transparent, weakly inflated, elongate, equiconvex, higher than wide, inequivalve, nearly equilateral, anterior auricles larger than posterior, unequal in shape, internal ribs 9 with one auricular riblet on each side, umbonal angle ca. 90 degrees, colour left valve creamy orange, right valve milky white.

  Left valve with ca. 20 irregularly spaced primary and secondary radial riblets with coarse squamae on ribs, commarginal lamellae on auricles.

  Right valve with widely spaced commarginal lamellose lirae. Byssal notch shallow, byssal fasciole narrow and ctenolium lacking.

Distribution

 

Indonesia, Kai Islands (TL)

Habitat  Living bathyally on soft bottom assemblages.