Traits taxon details
original description
Azab, M. M. & Elattaar, A. A. E. H. A. 1990. Pseudopygaulus romani (Cassiduloida, Echinoidea): a new species from the Upper Libyan (Lower Eocene) rocks of Egypt. Middle East Research Center Ain Shams University, Earth Science Series 4, 215-221. page(s): 216-221; figs 3-5, pl. 1: figs 1-15 [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): 329 [details]
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