Species Account

Thracia myopsis Møller, 1842

Thracioidea : Thraciidae

Tebble name: n/a
Smith & Heppell name: Thracia myopsis (Møller, 1842)

To size: To 36mm. Shell Structure: Solid. Equivalve: Inequivalve, RV larger than LV. Equilateral: Slightly inequilateral, posterior longer than anterior. Outline: Dorsal margins slope to posterior and anterior margins. Anterior broadly rounded, posterior truncate. Ventral margin rounded. Umbos of RV more inflated than LV.

Sculpture: Concentric lines with coarse granulation, denser on the posterior area. Margin: Smooth. Ligament: Internal and external: External long; Internal on a long narrow resilifer. Pallial Musculature: Shallow broad pallial sinus. Not confluent. Periostracum: Yellow/grayish brown. Colour: White.

Distribution & Ecology

A sub-arctic species reaching Iceland and Norway south to 68°N.

Depth Range
Continental Shelf (to 200m)

Additional Information & Related Species


Listed are literature citing Thracia myopsis Møller, 1842. Reference containing the species Type Description is highlighted.

Møller H O 1842. Index Molluscorum Groenlandiae. Naturhistorisk Tidsskrift, Kjøbenhavn. 4(1): 76-97.
Soot-Ryen T 1941. Northern Pelecypods in the collection of Tromsø Museum I Order Anomalodesmacea Families Pholoadomyidae. Thraciidae and Periplomatidae. Tromsø Museums Arshefter Naturhistorisk Avd. Nr. 17. 61: 1-41, 10 pls.


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Record last modified: 17/05/2016