ammonites
Baissalosteges gracilis Kotlyar 1989 (lamp shell)

Strophomenata - Productida - Aulostegidae

Full reference: G. V. Kotlyar. 1989. Taxonomic Names: Brachiopoda. Evolution of the latest Permian biota: Midian regional stage in the USSR 1-184

Belongs to Baissalosteges according to G. V. Kotlyar 1989

Sister taxa: none

Type specimen: TsNIGR 36/12540. Its type locality is Baisal, Bed 29, which is in a Capitanian carbonate limestone/mudstone in the Khachik Formation of Azerbaijan.

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): valve 30.7 x 32.1