Species Account

Cuspidaria lamellosa (GO Sars, 1872)

Verticordioidea : Cuspidariidae

Tebble name: n/a
Smith & Heppell name: Cuspidaria jugosa (S V Wood, 1856)

To size: To 5mm. Shell Structure: Thin, fragile. Equivalve: Slightly inequivalve, RV slightly larger. Equilateral: Approximately equilateral. Tumidity: Moderately inflated. Outline: Body of shell subovate, anterior broadly rounded merging continuously with deeply convex ventral margin. Rostrum narrowly triangular, slightly shorter than body of shell; dorsal margin slightly concave, ventral margin weakly sinuous corresponding to weak sulcus.

Sculpture: Primarily of widely separated, prominent concentric lamellae over the body of the shell; lamellae fading over rostrum; rostrum with one or two faint radial ridges. Ligament: Internal on a small chondrophore. Hinge: With a single triangular, posterior lateral in the RV. Periostracum: Obscure. Colour: Greyish white.

Distribution & Ecology

At outer shelf depths in Norway but deeper, upper slope, along the Atlantic margin

Depth Range
Continental Shelf (to 200m)
Continental Margin Zone (200 - 500m)
Bathyal (500 - 2000m)

Additional Information & Related Species


Listed are literature citing Cuspidaria lamellosa (GO Sars, 1872). Reference containing the species Type Description is highlighted.

Sars G O 1872. On some remarkable forms of animal life from the great deeps off the Norwegian coast. Part 1, partly from posthumous manuscripts of the late prof. Mich. Sars. University Program for the 1rs half-year 1869 Brøgger & Christie, Christiana. 74pp.


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Record last modified: 22/03/2016