Traits taxon details
original description
(of Cassidulus (Pygorhynchus) carolinensis cravenensis Kellum, 1926 †) Kellum, L. B. (1926). Paleontology and stratigraphy of the Castle Hayne and Trent marls in North Carolina. <em>United States Geological Survey Professional Paper.</em> 143: 1-56, pls. 1-11., available online at https://doi.org/10.3133/pp143 page(s): 15; pl. 1: figs. 1-3 [details] Available for editors
original description
(of Cassidulus (Pygorhynchus) carolinensis var. cravenensis Kellum, 1926 †) Kellum, L. B. (1926). Paleontology and stratigraphy of the Castle Hayne and Trent marls in North Carolina. <em>United States Geological Survey Professional Paper.</em> 143: 1-56, pls. 1-11., available online at https://doi.org/10.3133/pp143 page(s): 15; pl. 1: figs. 1-3 [details] Available for editors
basis of record
Cooke, C. W. 1959. Cenozoic echinoids of eastern United States. United States Geological Survey Professional Papers 321, III+1-106., available online at https://pubs.usgs.gov/pp/0321/report.pdf page(s): 65 [details]
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