Formica atrata Linnaeus:965 - As Cryptocerus atrata: - Smith, 1862Smith, F. 1862. Descriptions of new speciews of aculeate Hymenoptera, collected at Panama by R. W. Stretch, Esq, with a list of described species, and the various localities where they have previously occured. Transaction of the Entomological Society of London ser. 3 (1):29-44. (distribution). - As Cryptocerus atratus: - Lepeletier, 1836Lepeletier de Saint-Fargeau, A. 1836. Histoire Naturelles des Insectes. Hyménoptères. Vol. 1. Librairie Encyclopédique de Roret, Paris. 1-547. (distribution); Smith, 1853Smith, F. 1853. Monograph of the genus Cryptocerus, belonging to the group Cryptoceridae, Family Myrmicidae, Division Hymenoptera Heterogyna. Transaction of the Entomological Society of London 2nd ser. (v. 2):213-228. (distribution); Smith, 1857Smith, F. 1857. Catalogue of Hymenopterous Insects in the Collection of the British Museum. Part V. Vespidae. London. 147 pp. (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); Wheeler, 1905Wheeler, W.M. 1905. The ants of the Bahamas, with a list of the known West Indian species. Bulletin of the American Museum of Natural History 21:79-135. (distribution); Wheeler, 1916Wheeler, W.M. 1916. Ants collected in Trinidad by Professor Roland Thaxter, Mr. F.W. Urich, and others. Bulletin of the Museum of Comparative Zoology 60:323-330. (distribution); Wheeler, 1916Wheeler, W.M. 1916. Ants collected in British Guiana by the expedition of the American Museum of Natural History during 1911. Bulletin of the American Museum of Natural History 35:1-14. (distribution).
Cryptocerus dubitatus Smith:216 - Smith, 1857Smith, F. 1857. Catalogue of Hymenopterous Insects in the Collection of the British Museum. Part V. Vespidae. London. 147 pp.:188 ( listed as synonym of Cryptocerus atratus (Linnaeus)).
Formica quadridens De Geer, 1773:609, pl. 31, fig. 17, sex not indicated.Surinam (leg. M. Rolander). - Smith, 1857Smith, F. 1857. Catalogue of Hymenopterous Insects in the Collection of the British Museum. Part V. Vespidae. London. 147 pp.:188 ( listed as synonym of Cryptocerus atratus (Linnaeus)).