Formica hamata Fabricius, 1793:364,Cajennae (Mus. Dom. Yeats). - As Eciton hamata: - Smith, 1855Smith, F. 1855. Descriptions of some species of Brazilian ants belonging to the genera Pseudomyrma, Eciton and Myrmica (with observations on their economy by Mr. H. W. Bates). Trans. Entomol. Soc. Lond. 3 (3):156-169. (distribution); Smith, 1858Smith, F. 1858. Catalogue of Hymenopterous Insects in the Collection of the British Museum. Part VI. Formicidae. London. 216 pp, 14 pl. (distribution). - As Eciton hamatum: - Wheeler, 1921Wheeler, W.M. 1921. Observations on army ants in British Guiana. Proceedings of the American Academy of Arts and Sciences 56 (8):291-328. (distribution); Mann, 1922Mann, W.M. 1922. Ants from Honduras and Guatemala. Proceedings of the United States National Museum 61:1-54. (distribution); Watkins, 1982Watkins, J.F. 1982. The army ants of Mexico (Hymenoptera: Formicidae: Ecitoninae). Journal of the Kansas Entomological Society 55 (2):197-247. (distribution); Starr & Hook, 2003Starr, C.K. & Hook, A.W. 2003. The aculeate Hymenoptera of Trinidad, West Indies. Occasional Papers o the Department of Life Sciences, University of the West Indies 12:1-31. (distribution); Fernández & Sendoya, 2004Fernández, F. & S. Sendoya 2004. List of Neotropical ants (Hymenoptera: Formicidae). Biota Colombiana 5 (1):3-93. (distribution); Vanoye-Eligio et al., 2020Vanoye-Eligio, M., J.V. HortaVega, V. Vanoye-Eligio, M. Rosas-Mejía & L.J. Estrada Ramírez 2020. Review of Occurrence of Vespoidea (Hymenoptera) in the State of Campeche, Mexico. Journal of Entomological Science 55 (3):366-381. (distribution); AntWeb, 2023AntWeb 2023. Ants. . (distribution).