MolluscaBase name details
original description
(of Palaeancylus Yen, 1948 †) Yen, T.-C. (1948). Paleocene fresh-water mollusks from southern Montana. <em>United States Geological Survey Professional Paper.</em> 214-C: 35-50.
page(s): 42 [details]
basis of record
Yu, W.; Gu, H.; Zhang, X. (1990). Assemblage sequence of late Cretaceous and early Tertiary non-marine gastropods from Nanxiong Basin, Guangdong. <em>Acta Palaeontologica Sinica.</em> 29(2): 160-182. [details] Available for editors [request]