The Echinoid Directory

Contributed by Andreas Kroh, July 2008

Sogdiaster Egorov, 1972, p. 59

Distribution "Senonian", Late Cretaceous, Uzbekistan-Tajikistan-Kyrgyzstan border region, Central Asia.
Name gender masculine
Type Micraster turkestanensis Shmidt & Simakov, 1953, p. 71, by original designation.
Species Included Only the type species.
Classification and/or Status Spatangoida, Micrasterina, Micrasteridae.

Nomen dubium.
Remarks Egorov (1972) gave no diagnosis of the genus, nor did he clearly state his reasons for establishing the genus. At present best considered as nomen dubium.

Shmidt, O. I. & Simakov, S. N. 1953. [Late Cretaceous sea urchins from south-eastern Middle Asia]. Trudy Vsesoyuznogo Neftyanogo Nauchno-Issledovatel'skogo Geologo-Razvedochnogo Instituta (N.S.) 66(1): 5-75.

Egorov, E. V. 1972. [Stratigraphical distribution of Upper Cretaceous echinoids of Tadzhikistan]. Doklady Akademii Nauk Tadzikskoj SSR 15(5): 59-61.