PECTINIDAE

Semipallium kengaluorum

Dijkstra, 1986

Figure

 

Holotype

Original name  Semipallium kengaluorum Dijkstra, 1986
Autoreference   Dijkstra, 1986: 24-26, figs.
Reference   Dijkstra, H.H., 1986. Semipallium kengaluorum sp. nov. from the Solomon Islands (Bivalvia: Pectinidae). - La Conchiglia/The Shell 18(212-213): 24-26, figs.
Type data   Holotype (pr: H 22.5 mm, L 21 mm, D 6.5 mm) Zoological Museum, University of Amsterdam, Amsterdam (ZMA Moll. 3.86.024). Type locality: Solomon Islands, Russel Islands, 35 m, alive, attached by byssus to cliff face, scuba-diving, Dec. 1982.
Description

  Shell up to ca. 30 mm high, somewhat higher than wide, nearly equivalve and equilateral, auricles strongly unequal, umbonal angle ca. 90 degrees, colour creamy orange, with purple, yellow or creamy-white spots on both valves.

  Both valves sculptured with 9 radial lirae, secondary riblets on lirae and in interspaces. Delicate shagreen microsculpture throughout. Anterior auricle of left valve radially sculptured with 9 delicate riblets with intercostal shagreen microsculpture. Byssal notch moderately deep, byssal fasciole narrow. Functional ctenolium on suture present. Internal plicae.

Distribution

 

Solomon Islands (TL)

Habitat  Living upper bathyally amongst coral rubble on sandy bottoms.