The Brachiopod genus Cyclothyris
By: E.F. Owen.
Series: Bulletin of the British Museum (Natural History) -- v. 7, no. 2
Publisher: Trustees of the British Museum
Published: 1962
Place of publication: London
Language: eng
Subjects: Cyclothyris; Brachiopoda, Fossil.
Notes: Includes bibliographical references (p. 61-63) and index.