original description
Dyer, W.S. (1930). New species of Invertebrate Fossils from the Non-marine Formations of Southern Alberta <em>National Museum of Canada Bulletin</em>. 63(2): 7-14, available online at http://ftp.maps.canada.ca/pub/nrcan_rncan/publications/ess_sst/299/299290/mb_063.pdf
page(s): 13, pl. 4, figs 2-3 [details]
additional source
Johnston, P.A.; Hendy, A.J.W. (2005). Paleoecology of Mollusks from the Upper Cretaceous Belly River Group. In: Currie, P.J.; Koppelhus, E.B. (eds) Dinosaur Provincial Park: a spectacular ancient ecosystem revealed. Indiana University Press, Bloomington, pp. 139-166.
page(s): 166 [details] Available for editors
[request]
From editor or global species database
Type locality Taber (N of Oldman River), Alberta, Canada; Foremost Formation, Campanian, late Cretaceous [details]