Species Account

Rhinoclama notabilis (Jeffreys, 1876)

Verticordioidea : Cuspidariidae

Tebble name: n/a
Smith & Heppell name: n/a

To size: To 6mm. Shell Structure: Thin, fragile. Equivalve: Equivalve. Equilateral: Subequilateral, beaks a little in front of midline. Tumidity: Moderate. Outline: Body of shell subovate, umbos prominent, ventral extremity at line through beaks. Anterior evenly rounded and continuous with gently curving ventral margin. Rostrum shorter than body length, rather deep, dorsal margin incurved, ventral margin weakly concave.

Sculpture: Rostrum set off from body by a narrow carina and with a fine radial ridge close to the dorsal edge. Body with 30-40 evenly spaced concentric, raised lines these crowded and less regular over rostrum. Margin: Inner margin smooth. Ligament: Internal, small, beneath beaks. Hinge: RV with anterior and posterior lateral flanges, LV lacking teeth. Pallial Musculature: Obscure. Colour: Shell white.

Distribution & Ecology

Mostly recorded from abyssal depths but some bathyal. Bathymetric range from 1100-4260m (Allen & Morgan, 1981). Most records come from the Western European Basin, primarily in the Bay of Biscay.

Depth Range
Bathyal (500 - 2000m)
Abyssal Rise (2000 - 4000m)
Abyssal Plain (4000m +)

Additional Information & Related Species


Listed are literature citing Rhinoclama notabilis (Jeffreys, 1876). Reference containing the species Type Description is highlighted.

Allen J A & Morgan R E 1981. The functional morphology of Atlantic deep water species of the families Cuspidariidae and Poromyidae (Bivalvia): an analysis of the evolution of the septibranch condition. Philosophical Transactions of the Royal Society of London Series B. 294: 413-546.
Jeffreys J G 1876. New and peculiar Mollusca of the Kellia, Cyprina and Corbula families, procured in the Valorous expedition. Annals and magazine of natural History. (4) 18: 490-499.
Olabarria C. 2005. Patterns of bathymetric zonation of bivalves in the Porcupine Sea Bight and adjacent abyssal plain, NE Atlantic. Deep-Sea Research I. 52: 15-31.


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Record last modified: 22/03/2016