• MacKay, 1996: 168 (w.).
• Combination in Acanthostichus (Ctenopyga): Emery, 1911e: 14.
• Combination in Ctenopyga: Brown, 1975: 42.
• Combination in Acanthostichus: MacKay, 1996: 168.
• Status as species: Wheeler, 1908h: 400; Wheeler, 1910a: 561; Emery, 1911e: 14; Creighton, 1950a: 59; Smith, 1951c: 782; Smith, 1955b: 49; Smith, 1955c: 99; Smith, 1958c: 110; Kusnezov, 1962a: 133; Smith, 1967a: 345; Brown, 1975: 42; Smith, 1979: 1334; Bolton, 1995b: 54; MacKay, 1996: 168 (redescription).
• Senior synonym of Acanthostichus townsendi: Smith, 1955b: 49; Smith, 1955c: 99; Smith, 1958c: 110; Brown, 1975: 42; Smith, 1979: 1334; Bolton, 1995b: 54; MacKay, 1996: 168.

Junior synonyms

• Acanthostichus townsendi (Ashmead, 1906)
  Obsolete combination(s): Ctenopyga townsendi

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Brown, W. L., Jr. 1975. Contributions toward a reclassification of the Formicidae. V. Ponerinae, tribes Platythyreini, Cerapachyini, Cylindromyrmecini, Acanthostichini, and Aenictogitini. Search. Agriculture (Ithaca, New York) 5(1):1-115. PDF
• Creighton, W. S. 1950a. The ants of North America. Bulletin of the Museum of Comparative Zoology 104:1-585. PDF
• Emery, C. 1911e. Hymenoptera. Fam. Formicidae. Subfam. Ponerinae. Genera Insectorum 118:1-125. PDF
• Forel, A. 1904e. Fourmis du Musée de Bruxelles. Annales de la Société Entomologique de Belgique 48:168-177. PDF
• Kusnezov, N. 1962a. El género Acanthostichus Mayr (Hymenoptera, Formicidae). Acta Zoologica Lilloana 18:121-138. PDF
• MacKay, W. P. 1996. A revision of the ant genus Acanthostichus (Hymenoptera: Formicidae). Sociobiology 27:129-179. PDF
• 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.
• Smith, M. R. 1951c. Family Formicidae. Pp. 778-875 in: Muesebeck, C. F. W.; Krombein, K. V.; Townes, H. K. (eds.) 1951. Hymenoptera of America north of Mexico. Synoptic catalogue. United States Department of Agriculture. Agriculture Monograph 2:1-1420. PDF
• Smith, M. R. 1955b. Acanthostichus (Ctenopyga) townsendi (Ashm.), a synonym of Acanthostichus texanus Forel (Hymenoptera: Formicidae). Bulletin of the Brooklyn Entomological Society 50:48-50. PDF
• Smith, M. R. 1955c. Remarks concerning the types of five species of ants described by Roger or Forel (Hymenoptera, Formicidae). Bulletin of the Brooklyn Entomological Society 50:98-99. PDF
• Smith, M. R. 1958c. Family Formicidae. Pp. 108-162 in: Krombein, K. V. (ed.) 1958. Hymenoptera of America north of Mexico. Synoptic catalogue. First supplement. United States Department of Agriculture. Agriculture Monograph 2(suppl. 1):1-305. PDF
• Smith, M. R. 1967a. Family Formicidae. Pp. 343-374 in: Krombein, K. V.; Burks, B. D. (eds.) 1967. Hymenoptera of America north of Mexico. Synoptic catalog. Second supplement. United States Department of Agriculture. Agriculture Monograph 2(suppl. 2):1-584. PDF
• Wheeler, W. M. 1908h. The ants of Texas, New Mexico and Arizona. (Part I.). Bulletin of the American Museum of Natural History 24:399-485. PDF
• Wheeler, W. M. 1910a. Ants: their structure, development and behavior. New York: Columbia University Press, xxv + 663 pp. PDF