ammonites
Avitomyrmex mastax Archibald et al. 2006 (bulldog ant)

Insecta - Hymenoptera - Formicidae

Full reference: S. B. Archibald, S. P. Cover, and C. S. Moreau. 2006. Bulldog Ants of the Eocene Okanagan Highlands and History of the Subfamily (Hymenoptera: Formicidae: Myrmeciinae). Annals of the Entomological Society of America 99(3):487-523

Belongs to Avitomyrmex according to B. Bolton 2012

Sister taxa: Avitomyrmex elongatus, Avitomyrmex systenus

Type specimen: UCCIPRL-18 F-850, an exoskeleton (body fragments and a wing). Its type locality is McAbee (collection of University College of the Cariboo), which is in a Ypresian lacustrine - large mudstone in Canada.

Ecology:

Average measurements (in mm): body length 15.0, forewing length 13.0