MolluscaBase name details
original description
Packard, E. L. (1922). New species from the Cretaceous of the Santa Ana Mountains, California. <em>University of California Publications, Bulletin of the Department of Geological Sciences.</em> 13(10): 413-462., available online at https://biodiversitylibrary.org/page/43812030
page(s): 431, pl. 36 fig. 1 [details]