File:Archibald, S.B., Johnson, K.R. et al. 2011. Intercontinental dispersal of giant thermophilic ants.pdf

Summary
Archibald, S.B., Johnson, K.R., Mathewes, R.W., Greenwood, D.R. 2011. Intercontinental dispersal of giant thermophilic ants across the Arctic during early Eocene hyperthermals. Proceedings of the Royal Society of London B: Biological Sciences 278(1725): 3679–3686.