Pliocene representatives of the genus Cyclocardia from the North Sea Basin are revised, two species being recognised, namely C. chamaeformis (J. de C. Sowerby, 1825) and C. scalaris (J. de C. Sowerby, 1825). Cyclocardia orbicularis (J. de C. Sowerby, 1825) is considered synonymous with C. chamaeformis. Lectotypes of all three are designated and illustrated.

, , , , , ,

CC BY-NC 4.0 NL ("Naamsvermelding-NietCommercieel")

Nederlandse Malacologische Vereniging

Arie W. Janssen, & Peter W. Moerdijk. (2004). Revision of Pliocene representatives of Cyclocardia (Bivalvia, Carditidae) from the North Sea Basin. Basteria, 68(4/6), 77–85.