PROPEAMUSSIIDAE

Similipecten herosae

Dijkstra & Maestrati, 2008

Figures

 

                                                         Holotype                                                      

  

Original name   Similipecten herosae Dijkstra & Maestrati, 2008
Autoreference   Dijkstra & Maestrati, 2008: 100-101, figs 36-41.
Reference   Dijkstra, H.H. & P. Maestrati, 2008. New Species and new records of deep-water Pectinoidea (Bivalvia: Propeamussiidae, Entoliidae and Pectinidae) from the South Pacific, in Héros, V., Cowie, R.H. & Bouchet, P. (eds), Tropical Deep-Sea Benthos 25. - Mémoires du Muséum national d'Histoire naturelle 196: 77-113, 55 figs.
Type data   Holotype (H 3.8 mm, L 4.1 mm, D 1.0 mm) Muséum National d'Histoire Naturelle (MNHN 20461). Type locality: Tonga, 18*41'S, 174*02'W, 76-85 m, alive, N.O. "Alis", col. B. Richer de Forges, P. Bouchet & A. Warén, 13.vi.2000 (BORDAU 2 stn DW 1581).
Description

  Shell up to ca. 4 mm high, fragile, semi-transparent and coloured with white spots, right valve slightly more convex than left valve, almost circular, inequivalve,nearly equilateral, auricles almost equal in size, umbonal angle ca. 110 degrees.

  Left valve with closely spaced, delicate radial lirae. Anterior auricle of left valve with commarginal lirae, posterior smooth. Right valve with widely spaced, weak commarginal lirae. Prominent Internal ribs 10. Byssal notch deep, byssal fasciole lacking.

Distribution

 

Marquesas Islands, Eiao (TL)

Habitat   Living in the upper bathyal zone.