PECTINIDAE

Hyalopecten mireilleae

Dijkstra, 1995

Figures

 

    

Holotype (lv)                                Paratype (rv)

Original name   Hyalopecten mireilleae Dijkstra, 1995
Autoreference   Dijkstra, 1995: 48, figs 79-82.
Reference   Dijkstra, H.H., 1995. Bathyal Pectinoidea (Bivalvia: Propeamussiidae, Entoliidae, Pectinidae) from New Caledonia and adjacent areas. In: P. Bouchet (ed.), Rˇsultats des Campagnes MUSORSTOM, volume 14. - Mˇmoires du Musˇum National d'Histoire Naturelle 167: 9-73, figs 1-154.
Type data   Holotype (pr: H 13.4 mm, L 11.0 mm, D 5.6 mm) Musˇum National d'Histoire Naturelle, Paris (MNHN, not registered). Type locality: S Vanuatu, 20*59'20"S, 170*01'90"E, 710 m, alive, lava rubble, 07.1989 (GEMINI stn DW 55).
Description

  Shell up to ca. 14 mm high, thin, semi-transparent, inflated, right valve more convex than left valve, higher than wide, oblique, inequivalve, inequilateral, auricles unequal in size and shape, umbonal angle ca. 90 degrees, colour whitish.

  Left and right valve sculptured with regularly spaced, commarginal lamellae, more strongly curved near margin and delicate intercalated radial lirae, more prominent on left valve. Posterior auricles continuous with disc, anterior auricle of right valve demarcated from disc.

Byssal notch relatively deep, byssal fasciole very narrow, ctenolium obsolete.

Distribution

 

S Vanuatu (TL)

Habitat   Living bathyally amongst rubble on soft bottom assemblages.