PECTINIDAE

Hyalopecten strigillatus

(Dall, 1889)

Figures

 

Syntype (figured rv)

Original name   Pseudamusium strigillatum Dall, 1889
Autoreference   Dall, 1889a: 438 [original description]; 1889b: pl. 42, fig. 2 [figured syntype].
References

  Dall, W.H., 1889a. Reports on the results of dredging [...] in the Gulf of Mexico (1877-78) and in the Caribbean Sea (1879-80), by the U.S. coast survey steamer "Blake" [...]. XXIX. Report on the Mollusca. Part II. Gastropoda and Scaphopoda. Addenda and Corrigenda to Part I (1886). - Bulletin of the Museum of Comparative Zoology 18: 433-439.

  Dall, W.H., 1889b. - Bulletin USNM 37: pl. 42, fig. 2.

Type data   Syntypes in Smithsonian Institution, National Museum of Natural History, Washington DC (USNM 94355). Type locality not specified: "Antilles, Florida Reefs and the Albatross party" (see also Dall, 1890: 250).
Description

  Shell up to ca. 10 mm high, thin, semi-transparent, strongly inflated, somewhat higher than wide, left valve more convex than right valve, subequivalve, equilateral, auricles strongly unequal in size and shape, umbonal angle ca. 130 degrees, colour whitish.

  Left and right valve with very closely spaced commarginal curled lamellae in ventral direction. Auricles similarly sculpture, continuous with disc, anterior auricle of right valve demarcated from disc. Posterior auricles lateral-dorsally pointed.

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

Distribution

 

Florida Keys, Gulf of Mexico, Cuba, Antilles, Brazil

Habitat   Probably living lower bathyally and abyssally on soft bottom assemblages.