original description
Gardner, J.A. (1927). New species of mollusks from the Eocene of Texas <em>Journal of The Washington Academy of Sciences</em>. 17: 362-383, available online at http://www.biodiversitylibrary.org/page/39914066#page/422/mode/1up
page(s): 377, figs 36, 37 [details]
basis of record
Henderson, J. (1935). Fossil non-marine Mollusca of North America. <em>Geological Society of America Special Papers.</em> 3: 1-313.
page(s): 244 [details] Available for editors [request]
source of synonymy
Garvie C.L. & Goedert J.L. & Janssen A.W. (2020). Paleogene and Late Cretaceous Pteropoda (Mollusca, Gastropoda, Heterobranchia) from North America. <em>Zootaxa.</em> 4782(1): 1-115., available online at https://doi.org/10.11646/zootaxa.4782.1.1
page(s): 32 [details]
From editor or global species database
Type locality Three-fourths of a mile south of Elkhart, Anderson County, Texas, United States; Cook Mountain Formation, Bartonian, late Eocene [details]