basis of recordKier, P. M. & Lawson, M. H. 1978. Index of living and fossil echinoids 1924-1970. Smithsonian Contributions to Paleobiology 34, 1-182., available online athttps://doi.org/10.5479/si.00810266.34.1 page(s): 47 [details] Available for editors
From editor or global species database
Distribution Texas, U.S.A. [details] Fossil Range Aptian, Early Cretaceous [details] Stratigraphy Trinity Group [details]
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