PaleoDB taxon number: 268322
Full reference: W. J. Pulawski and A. P. Rasnitsyn. 2000. Taxonomy: New genera of Angarosphecinae: Cretosphecium from Early Cretaceous of Mongolia and Eosphecium from Early Eocene of Canada (Hymenoptera: Sphecidae). Journal of Hymenoptera Research 9(1):34-40
Sister taxon: Cretosphecium triste
Type specimen: PIN 3559/4533, an exoskeleton. Its type locality is Bon Tsagaan (PIN collection 3559), which is in an Aptian lacustrine siliciclastic in the Dzun-Bain Formation of Mongolia.
Average measurements (in mm): body length 16.2, forewing 9.00 x 3.00