original description
Gocev, P. 1933. Paleontologische und stratigraphische Untersuchungen über das Eocän von Varna. Zeitschrift der Bulgarischen Geologischen Gesellschaft 5, 1-82.
page(s): 48-49; pl. 7: figs. 8-12 [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): 76 [details] Available for editors
From editor or global species database
Distribution Bulgaria [details]
Fossil Range Eocene [details]