| PROPEAMUSSIIDAE | Parvamussium obliquum (Smith, 1885) |
| Figure(s) |
Holotype (rv) |
| Original name | Amussium obliquum Smith, 1885 |
| Autoreference | Smith, 1885: 313, pl. 23, figs 6-6a. |
| Reference | Smith, E.A., 1885. Report on the Lamellibranchiata collected by H.M.S. "Challenger" during the years 1873-1876. - Challenger Reports, Zoology, 13 (35): 1-341. |
| Type data | Holotype (rv: H 2.75 mm, L 3.0 mm) The Natural History Museum, London (BMNH 1887.2.9.3324).Type locality: West Indies, off Culebra Island, 18*38'30"N, 65*05'30"W, 713 m, dead, pteropod ooze, 25.iii.1873 ("Challenger" stn 24). |
| Description | Shell small up to ca. 3 mm high, fragile, semi-transparent, weakly inflated, oblique, strongly inequilateral, auricles unequal in size and shape, colourless. Right valve umbonal area smooth and glossy, central to ventral area with closely spaced fine commarginal lirae. Internal riblets 16, commencing in central area. Byssal notch nearly lacking, byssal fasciole narrow. |
| Distribution |
West Indies (TL) |
| Habitat | Shell bathyally on soft bottom assemblages. |
