Traits name details
original description
(of Pisidium C. Pfeiffer, 1821) Pfeiffer, C. (1821-1828). <i>Naturgeschichte deutscher Land- und Süsswasser-Mollusken</i>. Weimar. Abt. 1: i-x, 1-134, pls 1-8 [1821]; Abt. 2: i-viii, 1-40, pls 1-8 [1825]; Abt. 3: i-vi, 1-84, pls 1-8 [1828]. , available online at https://www.biodiversitylibrary.org/page/52682383 page(s): Abt. 1: 17, 123 [details] 
basis of record
Grabau, A. W. (1923). Cretaceous fossils from Shantung. <em>Bulletin of the Geological Survey of China.</em> 5(2): 143-181. [details] 
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