Insecta - Coleoptera - Gyrinidae

Full reference: A. G. Ponomarenko. 1986. Beetles. Scarabaeida (=Coleoptera) Насекомые в раннем мелу экосистемах Западной Монголии [Insects in the Early Cretaceous Ecosystems of the West Mongolia]. The Joint Soviet-Mongolian Palaeontological Expedition 28:84-105

Belongs to Angarogyrus according to A. Nel 1989

Sister taxon: Angarogyrus minimus

Type specimen: PIN 3149/970, an exoskeleton. Its type locality is Gurvan-Ereny-Nuruu (Outcrop 236/29), which is in a Berriasian lacustrine - large shale/sandstone in the Gurvan-Eren Formation of Mongolia.

Ecology:

Average measurements (in mm): body 4.90 x 2.80, elytron length 3.70