ammonites
Ypresiomyrma bartletti 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 Ypresiomyrma according to B. Bolton 2012

Sister taxa: Ypresiomyrma orbiculata, Ypresiomyrma rebekkae

Type specimen: GSC 127632ab, an exoskeleton (queen body with 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 20.0 x 3.9, forewing length 12.0