• Lectotype designation: Wilson, 2003a: 249.
• Status as species: Wheeler, 1924b: 108; Wheeler, 1935g: 19; Linsley & Usinger, 1966: 174; Kempf, 1972b: 204; Bolton, 1995b: 332; Wilson, 2003a: 249 (redescription); Herrera et al., 2024: 184.
• Senior synonym of Pheidole williamsi seymourensis: Wilson, 2003a: 249.

Junior synonyms

• Pheidole williamsi seymourensis Wheeler, 1924

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Herrera, H. W.; Tocora, M. C.; Fiorentino, G.; Causton, C. E.; Dekoninck, W.; Hendrickx, F. 2024. The ants of the Galápagos Islands (Hymenoptera, Formicidae): a historical overview, checklist, and identification key. ZooKeys 1191:151-213. [online early] 10.3897/zookeys.1191.107324 PDF
• Kempf, W. W. 1972b. Catálogo abreviado das formigas da região Neotropical. Studia Entomologica 15:3-344. PDF
• Linsley, E. G.; Usinger, R. L. 1966. Insects of the Galápagos Islands. Proceedings of the California Academy of Sciences (4)33:113-196. PDF
• Wheeler, W. M. 1919d. Expedition of the California Academy of Sciences to the Galapagos Islands, 1905-1906. XIV. The ants of the Galapagos Islands. Proceedings of the California Academy of Sciences (4)2(2):259-297.
• Wheeler, W. M. 1924b. The Formicidae of the Harrison Williams Galapagos Expedition. Zoologica (New York) 5:101-122. PDF
• Wheeler, W. M. 1935g. Check list of the ants of Oceania. Occasional Papers of the Bernice Pauahi Bishop Museum 11(11):1-56.
• Wilson, E. O. 2003a. Pheidole in the New World. A dominant, hyperdiverse ant genus. Cambridge, Mass.: Harvard University Press, [ix] + 794 pp.