original description
Dailey, D. H.; Popenoe, W. P. (1966). Mollusca from the Upper Cretaceous Jalama Formation, Santa Barbara County, California. <em>University of California Publications in Geological Science.</em> 65: 1-40.
page(s): 8, pl. 1, figs 1, 5, 6 [details] Available for editors [request]
From editor or global species database
Type locality Jalama Creek, Santa Barbara County, California, UCLA loc. no. 4147 [details]