MolluscaBase name details
original description
King, W. (1850). A Monograph of the Permian Fossils of England. <em>Palaeontographical Society Monograph. London.</em> 3(5): i–xxxviii + 1–258 p., 28 pl., available online at https://www.biodiversitylibrary.org/page/49947690
page(s): 221, pl. 16, figs. 32 and 33 [details]