Insecta - Hemiptera - Cydnidae

Full reference: S. H. Scudder. 1890. The Tertiary Insects of North America. Report of the United States Geological Survey of the Territories XIII:1-734

Belongs to Necrocydnus according to S. H. Scudder 1890

Sister taxa: Necrocydnus amyzonus, Necrocydnus gosiutensis, Necrocydnus revectus, Necrocydnus senior, Necrocydnus stygius, Necrocydnus torpens, Necrocydnus vulcanius

Type specimen: MCZ 686, an exoskeleton. Its type locality is Florissant (MCZ Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.

Ecology:

Average measurements (in mm): body 5.60 x 3.00