• [Misspelled as deformis by Roger, 1863a: 210, and many others.]
• Roger, 1863a: 210 (q.m.)
• Combination in Cataulacus: Roger, 1863a: 210.
• Combination in Cyphomyrmex: Mayr, 1884: 38; Forel, 1885a: 367.
• Status as species: Smith, 1862d: 413; Roger, 1863a: 210; Mayr, 1863a: 428; Roger, 1863b: 40; Mayr, 1884: 38; Forel, 1885a: 368; Mayr, 1887: 557 (in key); Emery, 1890c: 55; Emery, 1894l: 58.
• Junior synonym of Cyphomyrmex minutus: Roger, 1863b: 40.
• Junior synonym of Cyphomyrmex rimosus: Emery, 1893j: 2; Forel, 1893h: 607; Forel, 1893j: 374; Dalla Torre, 1893: 150; Emery, 1894d: 224; Forel, 1895b: 137; Forel, 1899b: 40; Wheeler, 1907d: 719; Gallardo, 1916e: 323; Emery, 1924f: 342; Smith, 1951c: 829; Kempf, 1966: 162; Kempf, 1972b: 93; Smith, 1979: 1410; Snelling & George, 1979: 147; Snelling & Longino, 1992: 491; Bolton, 1995b: 167.

Obsolete combinations

• Meranoplus difformis

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Dalla Torre, K. W. 1893. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. Vol. 7. Formicidae (Heterogyna). Leipzig: W. Engelmann, 289 pp. PDF
• Emery, C. 1890c. Studii sulle formiche della fauna neotropica. Bullettino della Società Entomologica Italiana 22:38-80. PDF
• Emery, C. 1893j. Intorno ad alcune formiche della collezione Spinola. Bollettino dei Musei di Zoologia ed Anatomia Comparata della Reale Università di Torino 8(163):1-3. PDF
• Emery, C. 1894d. Studi sulle formiche della fauna neotropica. VI-XVI. Bullettino della Società Entomologica Italiana 26:137-241. PDF
• Emery, C. 1894l. Estudios sobre las hormigas de Costa Rica. Anales del Museo Nacional de Costa Rica 1888-1889:45-64. PDF
• Emery, C. 1924f ("1922"). Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [concl.]. Genera Insectorum 174C:207-397. PDF
• Forel, A. 1885a ("1884"). Études myrmécologiques en 1884 avec une description des organes sensoriels des antennes. Bulletin de la Société Vaudoise des Sciences Naturelles 20:316-380. PDF
• Forel, A. 1893h. Note sur les Attini. Annales de la Société Entomologique de Belgique 37:586-607. PDF
• Forel, A. 1893j. Formicides de l'Antille St. Vincent, récoltées par Mons. H. H. Smith. Transactions of the Entomological Society of London 1893:333-418. PDF
• Forel, A. 1895b. A fauna das formigas do Brazil. Boletim do Museu Paraense de Historia Natural e Ethnographia 1:89-139. PDF
• Forel, A. 1899b. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:1-24. PDF
• Gallardo, A. 1916e. Notes systématiques et éthologiques sur les fourmis attines de la République Argentine. Anales del Museo Nacional de Historia Natural de Buenos Aires 28:317-344. PDF
• Kempf, W. W. 1966 ("1965"). A revision of the Neotropical fungus-growing ants of the genus Cyphomyrmex Mayr. Part II: Group of rimosus (Spinola) (Hym., Formicidae). Studia Entomologica 8:161-200. PDF
• Kempf, W. W. 1972b. Catálogo abreviado das formigas da região Neotropical. Studia Entomologica 15:3-344. PDF
• Mayr, G. 1863a. Formicidarum index synonymicus. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 13:385-460. PDF
• Mayr, G. 1884. [Untitled. Descriptions of eight new species.]. Pp. 31-38 in: Radoszkowsky, O. 1884. Fourmis de Cayenne Française. Trudy Russkago Entomologicheskago Obshchestva 18:30-39. PDF
• Mayr, G. 1887. Südamerikanische Formiciden. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 37:511-632. PDF
• Roger, J. 1863a. Die neu aufgeführten Gattungen und Arten meines Formiciden-Verzeichnisses nebst Ergänzung einiger früher gegebenen Beschreibungen. Berliner Entomologische Zeitschrift 7:131-214. PDF
• Roger, J. 1863b. Verzeichniss der Formiciden-Gattungen und Arten. Berliner Entomologische Zeitschrift 7(Beilage):1-65. 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, F. 1858a. Catalogue of hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. London: British Museum, 216 pp. PDF
• Smith, F. 1862d. A list of the genera and species belonging to the family Cryptoceridae, with descriptions of new species; also a list of the species of the genus Echinopla. Transactions of the Entomological Society of London (3)1:407-416. PDF
• 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
• Snelling, R. R.; George, C. D. 1979. The taxonomy, distribution and ecology of California desert ants. Report to California Desert Plan Program, Bureau of Land Management. Riverside: U.S. Dept. Interior, 335 + 89 pp.
• Snelling, R. R.; Longino, J. T. 1992. Revisionary notes on the fungus-growing ants of the genus Cyphomyrmex, rimosus group (Hymenoptera: Formicidae: Attini). Pp. 479-494 in: Quintero, D.; Aiello, A. (eds.) 1992. Insects of Panama and Mesoamerica: selected studies. Oxford: Oxford University Press, xxii + 692 pp. PDF
• Wheeler, W. M. 1907d. The fungus-growing ants of North America. Bulletin of the American Museum of Natural History 23:669-807. PDF