TVERKOKHLEBOV, TVERDOKHLEBOVA, SURKOV & BENTON, 2002
Locality: Gostevka I, Danilovsky Dol ravine, right tributary of Tavolzhanka River, 1 km west of Gostevka village, Samara Region, Eastern European Russia.
Horizon: Gostevskaya Svita, Ust-Mylian Gorizont, Upper Vetlugan Supergorizont.
Biostratigraphy:
Age: Upper Buntsandstein, Uppermiddle Olenkian Stage, Scythian Epoch, Early Triassic.
Material:
Number: Not given: Lower jaw.