• Combination in Pachycondyla: Brown, 1995a: 311.
• Combination in Bothroponera: Joma & Mackay, 2013: 2; Schmidt & Shattuck, 2014: 77.
• Combination in Boltonopone: Fisher et al., 2025: 327.
• Status as species: Chapman & Capco, 1951: 52; Baltazar, 1966: 241; Bolton, 1995b: 311; Fisher et al., 2025: 327.

Obsolete combinations

• Bothroponera williamsi
• Pachycondyla williamsi

Citations

• Baltazar, C. R. 1966. A catalogue of Philippine Hymenoptera (with a bibliography, 1758-1963). Pacific Insects Monograph 8:1-488. 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. 1995a. [Untitled. Taxonomic changes in Pachycondyla and Neoponera attributed to Brown.]. Pp. 302-311 in: Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Chapman, J. W.; Capco, S. R. 1951. Check list of the ants (Hymenoptera: Formicidae) of Asia. Monographs of the Institute of Science and Technology. Manila 1:1-327. PDF
• Fisher, B. L.; Branstetter, M. G.; Blaimer, B. B.; Borowiec, M. L.; Camacho, G. P.; Doré, M; Ward, P. S.; Longino, J. T. 2025. A genus-level classification of the ant subfamily Ponerinae (Hymenoptera, Formicidae). ZooKeys 1264:281-349. 10.3897/zookeys.1264.173399 PDF
• Joma, A. M. A.; Mackay, W. P. 2013. A new species of Afrotropical ants in the genus Bothroponera (Hymenoptera: Formicidae: Ponerinae). Psyche 2013 Article ID 917847:8 pp. 10.1155/2013/917847 PDF
• Schmidt, C. A.; Shattuck, S. O. 2014. The higher classification of the ant subfamily Ponerinae (Hymenoptera: Formicidae), with a review of ponerine ecology and behavior. Zootaxa 3817 (1):1-242. 10.11646/zootaxa.3817.1.1 PDF
• Wheeler, W. M.; Chapman, J. W. 1925. The ants of the Philippine Islands. Part I, Dorylinae and Ponerinae. Philippine Journal of Science 28:47-73. PDF