Species: vjatkensis (HARTMANN-WEINBERG 1933) LEBEOLOV, in IVAKHENKO, 1987
Etymology:
Holotype: PIN 2212/1
Locality: Vjatka River, Kotelnich, European Russia.
Horizon:
Biostratigraphy: Zone IV.
Age: Lower Tatarian substage, Capitanian Stage, Upper Guadelupian subepoch, Middle Zechstein Epocn, Late Middle Permian.
Referred material:
LEE, 1997
UMZC T1321: Complete skull and lower jaw, vertebral column missing posterior sacrals and caudals, ribs, complete shoulder girdle and both forelimbs, partial eft hind lime and osteoderms.