original description
Yen, J. T.-C. (1958). A Cretaceous non-marine molluscan fauna of west Greenland. <em>Grønlands Geologiske Undersøgelse, Bulletin.</em> 21: 1-13.
page(s): 10, fig. 3 (6, 7) [details] Available for editors [request]
From editor or global species database
Type locality "Cliff 2.5 km east of Ujaraqtôrssuaq, shale, bed I", Nûgssuaq Peninsula, western Greenland [details]