Traits taxon details
original description
del Río, C. J., Martínez, S. A., Stilwell, J. D. & Concheyro, A. 2007. Palaeontology of the Cerros Bayos section, Roca Formation (Danian), La Pampa Province, Argentina. Alcheringa 31, 241-269., available online at https://doi.org/10.1080/03115510701484713 page(s): 261-264; figs 5E, F, 6D-F [details]
basis of record
Kroh, A. 2010. Index of Living and Fossil Echinoids 1971-2008. Annalen des Naturhistorischen Museums in Wien, Serie A 112, 195-470., available online at http://verlag.nhm-wien.ac.at/pdfs/112A_195470_Kroh.pdf page(s): 359 [details]
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