Traits name details
original description
(of ) Say, T. (1824). An account of some of the fossil shells of Maryland. <em>Journal of the Academy of Natural Sciences of Philadelphia.</em> 4(1): 124-155, pls. 7-13., available online at https://www.biodiversitylibrary.org/page/24655237 page(s): 127-129, pl. 7, fig. 5; note: As Fusus 4-costatus [details] 
basis of record
Petuch, E. J. & Berschauer, D. P. (2023). The Ecphoras. Iconic Fossils of Eastern North America. CRC Press, Boca Ratón, xii + 207 pp. page(s): 110, figs 5.10 A-D, 5.11 A-D [details] Available for editors 
additional source
Petuch, E. J. (1989 ["1988"]). <i>A Field Guide to the Ecphoras</i>. Charlottesville, VA: Coastal Education and Research Foundation. 140 pp. page(s): 68, fig. 32 [details]
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