original description
Vialov, O. 1930. Sur les échinides réguliers des dépôts mésozoiques du Grand Balkhan (Turkmenia). Bulletin of the Geological and Prospecting Survey of USSR 49, 867-904.
page(s): 868 [details]
original description
(of Pygorhytis ovalis var. dimota Vialov, 1930 †) Vialov, O. 1930. Sur les échinides réguliers des dépôts mésozoiques du Grand Balkhan (Turkmenia). Bulletin of the Geological and Prospecting Survey of USSR 49, 867-904.
page(s): 868 [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): 89 [details] Available for editors
From editor or global species database
Distribution Asiatic Russia [details]
Fossil Range Callovian, Middle Jurassic [details]
Taxonomic remark Originally proposed as an infrasubspecific taxon (variety), but is to be treated as a subspecies according to the Code (ICZN 1999 Art. 45.6.4.). [details]