original description
Gocev, P. 1933. Paleontologische und stratigraphische Untersuchungen über das Eocän von Varna. Zeitschrift der Bulgarischen Geologischen Gesellschaft 5, 1-82.
page(s): 56-58; figs. 12-14, pl. 5: fig. 1, pl. 6: fig. 1 [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): 108 [details] Available for editors
From editor or global species database
Distribution Bulgaria [details]
Fossil Range Eocene [details]