Traits name details
original description
Grabau, A. W. (1924). Stratigraphy of China. Part 1. Palaeozoic and older. Geological Survey, Ministry of Agriculture and Commerce, 528 pp. page(s): 485, 486, 487, textfig. 303c, d [details]
additional source
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 page(s): 476 [details]
additional source
Weir, J. (1945). A Review of Recent Work on the Permian Non-Marine Lamellibranchs and its Bearing on the Affinities of certain Non-Marine Genera of the Upper Palaeozoic. <em>Transactions of the Geological Society of Glasgow.</em> 20(3): 291-340., available online at https://doi.org/10.1144/transglas.20.3.291 page(s): 304 [details] Available for editors 
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