MolluscaBase name details
original description
Morton, S. G. (1834). Synopsis of the organic remains of the Cretaceous Group of the United States. Philadelphia: Key & Biddle. 88 pp., 19 pls., + Appendix, 8 pp. [The Appendix is titled: Catalogue of the fossil shells of the Tertiary Formations of the United States.].
page(s): 65, pl. 15, fig. 13 [details]