Echinoidea taxon details
original description
Jesionek-Szymańska, W. 1970. On a new pygasterid (Echinoidea) from the Jurassic (Middle Lias) of Nevada, U. S. A. Acta Palaeontologica Polonica 15, 411-419. page(s): 416-417; fig- 1A, pl. 1, pl. 2: figs. 1-2 [details]
basis of record
Kier, P. M. & Lawson, M. H. 1978. Index of living and fossil echinoids 1924-1970. Smithsonian Contributions to Paleobiology 34, 1-182., available online at https://doi.org/10.5479/si.00810266.34.1 page(s): 24 [details] Available for editors
From editor or global species database
Distribution Nevada, U.S.A. [details]
Fossil Range Sinemurian, Early Jurassic [details]
Stratigraphy Sunrise Formation [details]
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