• Symmyrmica in Myrmicinae, Myrmicini: Wheeler, 1910a: 139.
• Symmyrmica in Myrmicinae, Stenammini: Ashmead, 1905c: 383.
• Symmyrmica in Myrmicinae, Leptothoracini: Emery, 1914e: 42; Forel, 1917: 245; Wheeler, 1922: 664; Emery, 1924f: 263.
• Symmyrmica as genus: Ashmead, 1905c: 383; Wheeler, 1910a: 139; Emery, 1914e: 42; Forel, 1917: 245; Wheeler, 1922: 664; Emery, 1924f: 263; Donisthorpe, 1943h: 729; Smith, 1979: 1398.
• Symmyrmica as junior synonym of Leptothorax: Brown, 1973b: 185 [provisional].
• Symmyrmica as junior synonym of Formicoxenus: Francoeur et al., 1985: 347; Hölldobler & Wilson, 1990: 13; Bolton, 1995b: 47.

Citations

• Ashmead, W. H. 1905c. A skeleton of a new arrangement of the families, subfamilies, tribes and genera of the ants, or the superfamily Formicoidea. Canadian Entomologist 37:381-384. PDF
• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Brown, W. L., Jr. 1973b. A comparison of the Hylean and Congo-West African rain forest ant faunas. Pp. 161-185 in: Meggers, B. J.; Ayensu, E. S.; Duckworth, W. D. (eds.) 1973. Tropical forest ecosystems in Africa and South America: a comparative review. Washington, D.C.: Smithsonian Institution Press, viii + 350 pp. PDF
• Donisthorpe, H. 1943h. A list of the type-species of the genera and subgenera of the Formicidae. [concl.]. Annals and Magazine of Natural History (11)10:721-737.
• Emery, C. 1914e. Intorno alla classificazione dei Myrmicinae. Rendiconti delle Sessioni della Reale Accademia delle Scienze dell'Istituto di Bologna. Classe di Scienze Fisiche (n.s.)18:29-42. PDF
• Emery, C. 1924f ("1922"). Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [concl.]. Genera Insectorum 174C:207-397. PDF
• Forel, A. 1917. Cadre synoptique actuel de la faune universelle des fourmis. Bulletin de la Société Vaudoise des Sciences Naturelles 51:229-253. PDF
• Francoeur, A.; Loiselle, R.; Buschinger, A. 1985. Biosystématique de la tribu Leptothoracini (Formicidae, Hymenoptera). 1. Le genre Formicoxenus dans la région holarctique. Naturaliste Canadien (Québec) 112:343-403. PDF
• Hölldobler, B.; Wilson, E. O. 1990. The ants. Cambridge, Mass.: Harvard University Press, xii + 732 pp.
• Smith, D. R. 1979. Superfamily Formicoidea. Pp. 1323-1467 in: Krombein, K. V.; Hurd, P. D.; Smith, D. R.; Burks, B. D. (eds.) 1979. Catalog of Hymenoptera in America north of Mexico. Volume 2. Apocrita (Aculeata). Washington, D.C.: Smithsonian Institution Press, pp. i-xvi, 1199-2209.
• Wheeler, W. M. 1904a. Three new genera of inquiline ants from Utah and Colorado. Bulletin of the American Museum of Natural History 20:1-17. PDF
• Wheeler, W. M. 1910a. Ants: their structure, development and behavior. New York: Columbia University Press, xxv + 663 pp. PDF
• Wheeler, W. M. 1922. Ants of the American Museum Congo expedition. New York: Bulletin of the American Museum of Natural History, 1139.