Shlykova, T. I.; Ganelina, R. A. (1974). Rannekammennouoglnye endothyridy vostochnogo sklona Urala i Povolzhya (Early Carboniferous Endothyrids from the eastern slope of Urals and Povolgie). Trudy VNIGRII, Leningrad. 349: 20-29.
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Shlykova, T. I.; Ganelina, R. A.
1974
Rannekammennouoglnye endothyridy vostochnogo sklona Urala i Povolzhya (Early Carboniferous Endothyrids from the eastern slope of Urals and Povolgie)