• †Protrechina in Formicinae, Prenolepidini: Hölldobler & Wilson, 1990: 18.
• †Protrechina in Formicinae, Lasiini: Bolton, 1994: 50; Bolton, 1995b: 44, 369.
• †Protrechina incertae sedis in Formicinae: Wilson, 1985f: 211; Dlussky & Fedoseeva, 1988: 77; Bolton, 2003: 28, 131; Ward et al., 2016: 349.
• †Protrechina as genus: all authors.

Citations

• Bolton, B. 1994. Identification guide to the ant genera of the world. Cambridge, Mass.: Harvard University Press, 222 pp.
• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Bolton, B. 2003. Synopsis and classification of Formicidae. Memoirs of the American Entomological Institute 71:1-370. PDF
• Dlussky, G. M.; Fedoseeva, E. B. 1988. Origin and early stages of evolution in ants. [In Russian.]. Pp. 70-144 in: Ponomarenko, A. G. (ed.) 1988. Cretaceous biocenotic crisis and insect evolution. [In Russian.]. Moskva: Nauka, 232 pp.
• Hölldobler, B.; Wilson, E. O. 1990. The ants. Cambridge, Mass.: Harvard University Press, xii + 732 pp.
• Ward, P. S.; Blaimer, B. B.; Fisher, B. L. 2016. A revised phylogenetic classification of the ant subfamily Formicinae (Hymenoptera: Formicidae), with resurrection of the genera Colobopsis and Dinomyrmex. Zootaxa 4072:343-357. PDF
• Wilson, E. O. 1985f. Ants from the Cretaceous and Eocene amber of North America. Psyche (Cambridge) 92:205-216. PDF