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Porcupine abyssal plain : 3900-3950m

Porcupine abyssal plain : 3900-3950m

Porcupine abyssal plain : 3900-3950m

Porcupine abyssal plain : 3900-3950m

Porcupine abyssal plain : 3900-3950m
Cetoconcha nitida (Verrill, 1884)
NMW Image No.

Cetoconcha nitida (Verrill, 1884)

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

To size: To 20mm. Shell Structure: Thin. Equivalve: Equivalve. Equilateral: Slightly inequilateral, beaks towards anterior. Tumidity: Rather tumid. Outline: Roundly subovate. Umbo very prominent. Anterior dorsal margin sloping steeply to rounded anterior margin. Posterior dorsal margin longer than anterior sloping less steeply to a broadly rounded posterior margin. Ventral margin evenly curved.

Sculpture: Apparently smooth with co-marginal lines and growth stops but overall with very fine radial rows of minute pustules most visible at the margins, especially the posterior. Margin: Smooth. Ligament: External but set on a short, deeply inset resilifer situated posterior to the beaks. Hinge: Lacking obvious teeth only with a slight extension of the anterior dorsal margin. Periostracum: Thin, straw-coloured. Colour: White.

Distribution map legend
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Distribution & Ecology

In our study area known only from Porcupine Abyssal Plain.

Depth Range
Abyssal Plain (4000m +)

Juveniles & Similar Species

Juvenile Description

Key Features & Similar Species

Additional Comments

Poromyoidea : Poromyidae


Listed are literature citing Cetoconcha nitida (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 - 15/01/2014