ammonites
Megolisthaerus chinensis Solodovnikov and Yue 2010 (rove beetle)

Insecta - Coleoptera - Staphylinidae

Full reference: A. Solodovnikov and Y. L. Yue. 2010. Taxonomic names, in Megolisthaerus chinensis gen. et sp.n. (Coleoptera: Staphylinidae incertae sedis ): an enigmatic rove beetle lineage from the Early Cretaceous. Insect Systematics & Evolution 41:317-327

Belongs to Megolisthaerus according to A. Solodovnikov and Y. L. Yue 2010

Sister taxon: Megolisthaerus minor

Type specimen: CNU-COL-LB2008176, an exoskeleton. Its type locality is Huangbanjigou, Chaomidian Village, CNU 2008 collection, which is in a Barremian lacustrine - large mudstone in the Yixian Formation of China.

Ecology:

Average measurements (in mm): body 16.2 x 2.4, elytron length 3.00