Traits taxon details
original description
Nisiyama, S. 1950b. Fossil Echinoidea from the Miyako Cretaceous. Short Papers of the Institute of Geology and Paleontology Tohoku University (Sendai) 2, 29-38. page(s): 29-30; pl. 4: 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): 27 [details] Available for editors
|