Traits taxon details
original description
Grabau, A. W. (1931). The Permian of Mongolia: A report on the Permian fauna of the Jisu Honguer limestone of Mongolia and its relations to the Permian of other parts of the world. <em>Natural History of Central Asia.</em> 4: 1-665 (American Museum of Natural History, New York)., available online at https://www.biodiversitylibrary.org/page/12395912 note: Described pp. 270-273 (illustrated plates XXV, XXVI). [details]
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