MolluscaBase name details
original description
Morton, S. G.,1842. Description of some new species of organic remains of the Cretaceous Group of the United States: with a tabular view of the fossils hitherto discovered in this formation. Journal of the Academy of Natural Sciences of Philadelphia, ser. 3, vol. 8, pt. 2, pp. 207-227, pls. 10 and 11. , available online at https://www.biodiversitylibrary.org/page/24623205
page(s): 210, pl. 11 fig. 3 [details]