Species Account

Cuspidaria undata Verrill, 1884

Verticordioidea : Cuspidariidae

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

To size: To 35mm. Shell Structure: Thin. Equivalve: Equivalve. Equilateral: Equilateral. Tumidity: Tumid. Outline: Subovate with a short, broad posterior rostrum. Umbos strongly developed. Anterior dorsal slope steep. Anterior broadly rounded. Posterior dorsal slope steep to relatively short and weakly concave dorsal margin of the rostrum. Rostrum narrowly rounded, junction with ventral margin scarcely sinuous. Ventral margin evenly rounded. Contour: Rostrum not set off from body of shell by deep sinus.

Sculpture: Widely-spaced, co-marginal ridges over anterior these becoming indistinct about the midline and fading to the posterior. Rostrum with indistinct radial ridges. Margin: Smooth. Ligament: Internal, on a narrow, posteriorly projecting chondrophore. Hinge: Hinge-plate thin with a single posterior lateral in the RV. Periostracum: Thin, transparent. Colour: White.

Distribution & Ecology

In our study area known only from the Porcupine Abyssal Plain.

Depth Range
Abyssal Plain (4000m +)

Additional Information & Related Species


Listed are literature citing Cuspidaria undata Verrill, 1884. Reference containing the species Type Description is highlighted.

Verrill 1884. Second Catalogue of Mollusca recently added to the fauna of the New England Coast and the adjacent parts of the Atlantic, consisting mostly of Deep Sea species, with notes on others previously recorded 6 . Transactions of the Connecticut Academy of Arts and Sciences. 139-294, pls. 28-32..


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Record last modified: 22/03/2016