Species: desideratus MARTIN & AVERIANOV, 2004
Etymology: Latin, desideratus, "desired."
Holotype: ZIN 85279
Locality: Sarykamyshasai 1 (FTA-30 site), right bank of Sarykamyshasai Creek, 3-4 km east of town of Tashkumyr, Osh Province, Kyrgystan.
Horizon: Lower part of the Balabansai Formation.
Biostratigraphy:
Age: Callovian Stage, Upper Dogger Epoch, Late Middle Jurassic.
Material: Left lower molar with the tip of cusp g and roots broken off.