PECTINIDAE

Anguipecten gregoryi

Dall, Bartsch & Rehder, 1938

Figure

 

Hawaiian Islands, Oahu, 73 m, live (HD 7237). H - 36.8 mm

(provisional figure)

Original name   Anguipecten gregoryi Dall, Bartsch & Rehder, 1938
Autoreference   Dall, Bartsch & Rehder, 1938: 93, pl. 23, figs 5-6, 8.
Reference   Dall, W.H., Bartsch, P. & Rehder, H.A., 1938. A manual of the Recent and fossil marine pelecypod mollusks of the Hawaiian Islands. - Bernice P. Bishop Museum Bulletin 153: i-iv, 1-233.
Type data   Holotype (v: H 48.6 mm, L 43.3 mm) National Museum of Natural History, Smithsonian Institution, Washington DC (USNM 173.227). Type locality: Hawaiian Islands, near Kauai, 22*03'N, 159*30'W, 470-571 m, dead, gray sand & mud ("Albatross" stn 4132).
Description

  Shell up to ca. 55 mm high, solid, weakly inflated, right valve slightly more convex than left valve, subcircular, somewhat higher than long, nearly equivalve and equilateral, auricles short and subequal, umbonal angle ca. 90 degrees, colour orange with darker radial streaks and paler maculations, right valve paler.

  Both valves sculptured with ca. 40 regularly spaced, low broad rounded lirae and narrow interspaces. Delicate secondary riblets (3-5) on lirae. Closely spaced commarginal microsculpture throughout. Auricles with very weak radial sculpture (ca. 10). Defined internal rib carinae. Byssal notch, byssal fasciole and functional ctenolium lacking.

Distribution

 

Hawaiian Islands

Habitat   Living sublittorally to upper bathyally on soft sediments.