• Cysias in Poneridae, Ponerinae, Cerapachyini: Ashmead, 1905c: 382.
• Cysias as genus: Ashmead, 1905c: 382.
• Cysias as subgenus of Cerapachys: Emery, 1902c: 24; Wheeler, 1910a: 137; Donisthorpe, 1943g: 637.
• Cysias as junior synonym of Syscia: Forel, 1907d: 8 (in text); Emery, 1911e: 10.
• Cysias as junior synonym of Cerapachys: Kempf, 1972b: 76; Brown, 1975: 19; Ogata, 1987a: 129; Hölldobler & Wilson, 1990: 10; Bolton, 1995b: 26; Tang et al., 1995: 25; Bolton, 2003: 140.
• Cysias as junior synonym of Ooceraea: Borowiec, 2016: 191.

Obsolete classifications

• Cerapachys (Cysias)

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.
• Bolton, B. 2003. Synopsis and classification of Formicidae. Memoirs of the American Entomological Institute 71:1-370. PDF
• Borowiec, M. L. 2016. Generic revision of the ant subfamily Dorylinae (Hymenoptera, Formicidae). ZooKeys 608:1-280. 10.3897/zookeys.608.9427 PDF
• 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
• Donisthorpe, H. 1943g. A list of the type-species of the genera and subgenera of the Formicidae. [part]. Annals and Magazine of Natural History (11)10:617-688.
• Emery, C. 1902c. Note mirmecologiche. Rendiconti delle Sessioni della Reale Accademia delle Scienze dell'Istituto di Bologna (n.s.)6:22-34.
• Emery, C. 1911e. Hymenoptera. Fam. Formicidae. Subfam. Ponerinae. Genera Insectorum 118:1-125. PDF
• Forel, A. 1907d. Formicides du Musée National Hongrois. Annales Historico-Naturales Musei Nationalis Hungarici 5:1-42. PDF
• Hölldobler, B.; Wilson, E. O. 1990. The ants. Cambridge, Mass.: Harvard University Press, xii + 732 pp.
• Kempf, W. W. 1972b. Catálogo abreviado das formigas da região Neotropical. Studia Entomologica 15:3-344. PDF
• Ogata, K. 1987a. A generic synopsis of the poneroid complex of the family Formicidae in Japan (Hymenoptera). Part 1. Subfamilies Ponerinae and Cerapachyinae. Esakia 25:97-132. PDF
• Tang, J.; Li, S.; Huang, E.; Zhang, B.; Chen, Y. 1995. Economic insect fauna of China. Fasc. 47. Hymenoptera: Formicidae (1). [In Chinese.]. Beijing: Academy of Science Publishing House, ix + 134 pp.
• Wheeler, W. M. 1910a. Ants: their structure, development and behavior. New York: Columbia University Press, xxv + 663 pp. PDF