Answers are grounded in this paper and cite their sources.
Two new fossil members of the subfamily Myrmeciinae are described: Archimyrmex wedmannae , sp. nov (Grube Messel, Germany, Middle Eocene) and Prionomyrmex wappleri , sp. nov. (Rott, Germany, Late Oligocene). Members of the genus Archimyrmex were known earlier from Eocene deposits of the United States and Argentina, and members of the genus Prionomyrmex were known from Late Eocene Baltic amber.
No takes yet. Share an insight, caveat, or question.
G. M. Dlussky (2012) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: