Species Account

Brevinucula verrilli (Dall, 1886)

Nuculoidea : Nuculidae

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

To size: 5 mm. Shell Structure: Relatively thick. Equivalve: Equivalve. Equilateral: Slightly inequilateral, beaks just behind midline. Tumidity: Compressed. Outline: Trigonal; posterior dorsal margin long almost straight; anterior dorsal margin long slight convex; anterior more rounded than posterior; ventral strongly curved. Contour: Lunule elongate, narrow, faintly demarcated by a weak ridge and slightly different in colour from rest of shell; escutcheon more prominent.

Sculpture: Of fine radial striations. Margin: Inner margin smooth. Ligament: Internal on a small resilifer below the beaks. Hinge: Taxodont: Teeth relatively large; up to 11 anterior and 9 posterior. Pallial Musculature: Pallial line entire; adductor scars impressed oval in outline. Periostracum: Persistent, shiny yellowish in colour. Colour: Shell white, inner surface nacreous.

Distribution & Ecology

A deep sea species restricted to around 51°N. In our study area it has only been recorded in Porcupine seabight and abyssal plain at 2600-4100m.

Depth Range
Abyssal Rise (2000 - 4000m)

Additional Information & Related Species


Listed are literature citing Brevinucula verrilli (Dall, 1886). Reference containing the species Type Description is highlighted.

Dall W H 1886. Report on the Mollusca. Part 1. Brachiopoda and Pelecypoda. Reports on the results of dredging by the U.S. coast survey steamer "Blake". Bulletin of the Museum of Comparative Zoology, Harvard.. 12: 171-318.
Rhind P.M. & Allen J.A. 1992. Studies on the deep-sea Protobranchia (Bivalvia): the family Nuculidae. Bulletin of the British Museum of Natural History. 58 (1): 61-93.


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Record last modified: 15/01/2014