• [†Formica phaethusa Wheeler, 1913i: 383 (footnote). Nomen nudum.]
• [Misspelled as phaetusa by Keilbach, 1982: 281.]
• Status as species: Dlussky, 1967b: 80; Burnham, 1979: 115; Keilbach, 1982: 281; Bolton, 1995b: 201; Dlussky, 2008a: 52; Dlussky & Rasnitsyn, 2009: 1030; Perkovsky, 2016: 114; Radchenko et al., 2021: 242.
• Senior synonym of †Formica clymene: Dlussky, 2008a: 52.

Junior synonyms

• †Formica clymene Wheeler, 1915

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
• Dlussky, G. M. 1967b. Ants of the genus Formica from the Baltic amber. [In Russian.]. Paleontologicheskii Zhurnal 1967(2):80-89. PDF
• Dlussky, G. M. 2008a. Ants of the tribe Formicini (Hymenoptera, Formicidae) from late Eocene amber of Europe. [In Russian.]. Paleontologicheskii Zhurnal 2008 (5):45-59. PDF
• Dlussky, G. M.; Rasnitsyn, A. P. 2009. Ants (Insecta: Vespida: Formicidae) in the Upper Eocene amber of central and eastern Europe. Paleontological Journal 43:1024-1042. PDF
• Keilbach, R. 1982. Bibliographie und Liste der Arten tierischer Einschlüsse in fossilen Harzen sowie ihrer Aufbewahrungsorte. Teil 1. Deutsche Entomologische Zeitschrift (N.F.)29:129-286.
• Perkovsky, E. E. 2016. Tropical and Holarctic ants in Late Eocene ambers. Vestnik Zoologii 50 (2):111-122. 10.1515/vzoo-2016-0014 PDF
• Radchenko, A. G.; Perkovsky, E. E.; Vasilenko, D. V. 2021. Formica species (Hymenoptera, Formicidae, Formicinae) in late Eocene Rovno amber. Journal of Hymenoptera Research 82:237-251. 10.3897/jhr.82.64599 PDF
• Wheeler, W. M. 1913i. A revision of the ants of the genus Formica (Linné) Mayr. Bulletin of the Museum of Comparative Zoology 53:379-565. PDF
• Wheeler, W. M. 1915i ("1914"). The ants of the Baltic Amber. Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg 55:1-142. PDF