Species: blomi GETMANOV, 1989
Etymology:
Holotype: PIN N 2423/1
Locality: Novo Tavolzhanka, Tavolzhan River Region, Alexeyevka Districk, Kuybyshev Province, eastern European Russia.
Horizon: Sludkian Horizon, Vetluga Formation.
Biostratigraphy:
Age: Early Triassic.
Material: Fragmentary skull and fragmentary skeleton.
Referred material:
PIN N 2432/2: Fragmentary skull.
TVERKOKHLEBOV, TVERDOKHLEBOVA, SURKOV & BENTON, 2002
Locality: Mechet I, 7.3 km above the mouth of the Mechet ravine, 3.7 km WSW of Aldarkino village, Orenburg Region, Eastern European Russia.
Horizon: Kzylsaiskaya Svita, Sludkian Gorizont, Uppermiddle Vetlugan Supergorizont, Upper Vetluga series.
Biostratigraphy:
Age: Uppermiddle to Lower Upper Buntsandstein, Middle Olenkian Stage, Scythian Epoch, Early Triassic.
Material: Skeleton.
= Prothoosuchus samariensis GETMANOV, 1989
Etymology: In reference to Samara River Region, Alexeyevak District, Kuybyshev Province, eastern European Russia.Holotype: PIN N 3997/1
Locality: Blubokogo, Samara River Region, Alexeyevak District, Kuybyshev Province, eastern European Russia.
Horizon: Sludkian Horizon, Vetluga Formation.
Biostratigraphy:
Age: Early Triassic.
Material: Fragmentary skull.
Referred material:
TVERKOKHLEBOV, TVERDOKHLEBOVA, SURKOV & BENTON, 2002
Locality: Korneevka II, right bank of the Kalmanka River, right ributary of the Sezhaya River, 0.6 km east of Korneevka village, Samara Region, Eastern European Russia.
Horizon: Kzylsaiskaya Svita, Sludkian Gorizont, Uppermiddle Vetlugan Supergorizont.
Biostratigraphy:
Age: Uppermiddle to Lower Upper Buntsandstein, Middle Olenkian Stage, Scythian Epoch, Early Triassic.
Material:
Number: Not given: Fragmentary skull elements.