ammonites
Myrmeciites tabanifluviensis Archibald et al. 2006 (bulldog ant)

Insecta - Hymenoptera - Formicidae

Fig. 15. M. (?) tabanifluviensis, habitus of holotype. (A)
Photograph. (B) Drawing. (C) Detail of right mesotarsomeres
and pretarsal claws. (D) Detail of metatibia, indicating
spurs. (E) Oblique angle of fossil showing varve couplets
formed of light and dark laminae. (F) Close-up of E, showing
fossil on edge of light diatom lamina. S1,  spur 1; S2, spur 2.
A and B to scale, scale bar  5 mm; C, scale bar  0.5 mm;
D, scale bar  1 mm; E, scale bar  5 mm; F, scale bar  2
mm.

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 Myrmeciites according to B. Bolton 2012

Sister taxa: Myrmeciites goliath, Myrmeciites herculeanus

Type specimen: 2003.2.10 CDM 034, an exoskeleton (well preserved body fragments and wing). Its type locality is Black Creek Road Locality (Horsefly River), which is in a Ypresian lacustrine shale in Canada.

Ecology:

Average measurements (in mm): body length 15.0, forewing length 12.0