• Combination in †Miomyrmex: Carpenter, 1930: 52.
• Status as species: Burnham, 1979: 113; Shattuck, 1994: 131; Bolton, 1995b: 258.

Obsolete combinations

• †Formica impacta

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Burnham, L. 1979 ("1978"). Survey of social insects in the fossil record. Psyche (Cambridge) 85:85-133. PDF
• Carpenter, F. M. 1930. The fossil ants of North America. Bulletin of the Museum of Comparative Zoology 70:1-66. PDF
• Cockerell, T. D. A. 1927. Fossil insects from the Miocene of Colorado. Annals and Magazine of Natural History (9)19:161-166. PDF
• Shattuck, S. O. 1994. Taxonomic catalog of the ant subfamilies Aneuretinae and Dolichoderinae (Hymenoptera: Formicidae). University of California Publications in Entomology 112:i-xix, 1-241. PDF