| PROPEAMUSSIIDAE | Catillopecten graui (Knudsen, 1970) |
| Figure(s) |
Holotype
|
| Original name | Cyclopecten (Hyalopecten) graui Knudsen, 1970 |
| Autoreference | Knudsen, 1970: 97, text-figs 59, 60, pl. 13, fig. 1. |
| Reference | Knudsen, J., 1970. The systematics and biology of abyssal and hadal Bivalvia. Galathea Report 11. Copenhagen. 241 pp., 20 pls. |
| Type data | Holotype (pr: H 17.0 mm, L 18.0 mm) Zoological Museum, University of Copenhagen, Copenhagen (ZMUC, not yet registered). Type locality: E Pacific, Gulf of Panama, 05*49'N, 78*52'W, 3270-3670 m, alive, clay bottom, 13.v.1952 ("Galathea" stn 726). |
| Description | Shell up to ca. 17 mm high, very fragile, semi-transparent, very weakly inflated, left valve weakly convex, right valve flat, circular, inequivalve, equilateral, auricles nearly equal in size, unequal in shape, colour whitish, internal ribs lacking, umbonal angle ca. 110 degrees. Both valves weakly commarginally undulated, left valve with very closely spaced, fine commarginal lamellae, right valve smooth, near margin delicate commarginal lamellae. Auricles continuous with disc, except anterior auricle of right valve, demarcated from the disc, with delicate commarginal lamellae. Byssal notch deep, byssal fasciole and ctenolium lacking. |
| Distribution |
Eastern Pacific, Gulf of Panama (TL) |
| Habitat | Living abyssally on soft bottom assemblages. |
