• Neotype designation: Boudinot et al., 2024: 148.
• [Note: this ant is noted and figured in Schweigger, 1819: 119, pl. 18, fig. 70, but is not named.]
• Combination in Pheidole: Mayr, 1868c: 17; Boudinot et al., 2024: 148.
• Incertae sedis in Myrmicinae: Casadei-Ferreira et al., 2019: 123 (in text).
• Status as species: Scudder, 1891: 699; Dalla Torre, 1893: 194; Bolton, 1995b: 319; Boudinot et al., 2024: 148.

Obsolete combinations

• †Formica cordata

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Boudinot, B. E.; Bock, B. L.; Weingardt, M.; Tröger, D.; Batelka, J.; Li, D.; Richter, A.; Pohl, H.; Moosdorf, O. T. D.; Jandausch, K.; Hammel, J. U.; Beutel, R. G. 2024. Et latet et lucet: Discoveries from the Phyletisches Museum amber and copal collection in Jena, Germany. Deutsche Entomologische Zeitschrift 71 (1):111-176. [online early] 10.3897/dez.71.112433 PDF
• Casadei-Ferreira, A.; Chaul, J. C. M.; Feitosa, R. M. 2019. A new species of Pheidole (Formicidae, Myrmicinae) from Dominican amber with a review of the fossil records for the genus. ZooKeys 866:117-125. 10.3897/zookeys.866.35756 PDF
• Dalla Torre, K. W. 1893. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. Vol. 7. Formicidae (Heterogyna). Leipzig: W. Engelmann, 289 pp. PDF
• Holl, F. 1829. Handbuch der Petrefactenkunde. Bd. 2 [part]. Dresden: P. O. Hilschersche Buchhandlung, pp. 117-232.
• Mayr, G. 1868c. Die Ameisen des baltischen Bernsteins. Beiträge zur Naturkunde Preussens 1:1-102. PDF
• Schweigger, A. F. 1819. Beobachtungen auf naturhistorischen Reisen. Anatomisch-physiologische Untersuchungen über Corallen; nebst einem Anhange, Bemerkungen über den Bernstein enthaltend. Berlin: Reimer, 127 pp.
• Scudder, S. H. 1891. Index to the known fossil insects of the world, including myriapods and arachnids. Bulletin of the United States Geological Survey 71:1-744. PDF