Species: improvisa NOVIKOV & SHISHKIN, 1992
Etymology:

Holotype: PIN No. 4371/1

Locality: Right bank of Malyy Aranets River, right tributary of Pechora river, 7 km upstream from mouth, Komi Republic, European Russia.

Horizon: Perebor series of Krasnokamenskaya Formation.

Biostratigraphy:

Age: Middle Triassic.

Material: Fragment of preorbital part of left half of skull.