Excluded from Formicidae

The following taxa have been included in the Formicidae in the past but are no longer considered to be ants.
 * †Cariridris Brandão & Martins-Neto, 1990: 201. Type-species: †Cariridris bipetiolata, by original designation. In Sphecidae: Verhaagh, 1996: 11; Dlussky & Rasnitsyn, 2002: 418; incertae sedis in Aculeata: Grimaldi, Agosti & Carpenter, 1997: 7; Ward & Brady, 2003: 362. Excluded from Formicidae.
 * †Cariridris bipetiolata Brandão & Martins-Neto, 1990: 201, figs. 1-3 (q.) BRAZIL (Cretaceous). Excluded from Formicidae, incertae sedis in Aculeata: Grimaldi, Agosti & Carpeneter, 1997: 7.
 * Cretacoformica Jell & Duncan, 1986: 190. Type-species: †Cretacoformica explicata, by original designation. Excluded from Formicidae: Naumann, 1993: 355; incertae sedis in Apocrita: Grimaldi, Agosti & Carpenter, 1997: 7.
 * †Cretacoformica explicata Jell & Duncan, 1986: 191, fig. 69 (m.) AUSTRALIA (Lower Cretaceous). Excluded from Formicidae.
 * Formila de Romand, 1846: xxxii. Type-species: Formila chevrolatii, by monotypy. Transferred to Embolemidae: Muesebeck & Walkley, 1951: 1043. Excluded from Formicidae.
 * Formila chevrolatii Romand, 1846: xxxii, pl. 2, fig. 5 (w.) FRANCE. Genus subsequently misspelled as Formica and species incorrectly treated as a junior synonym of Formica fusca: Dalla Torre, 1893: 193 (and subsequent authors). Transferred to Family Embolemidae: Muesebeck & Walkley, 1951: 1043.
 * Formica pediculus Christ, 1791: 518 (w.) no locality given. [According to Emery, 1892b: 162, this is a termite, Order ISOPTERA].
 * Ponera libani Tohmé, G. 1969: 7, figs. 4-6 (q.) LEBANON. Excluded from Formicidae. Transferred to, and incertae sedis in, Family MUTILLIDAE: Bolton, 1995b: 361.
 * †Myrmicium Westwood, 1854: 396. Type-species: *Myrmicium heerii, by monotypy. In Myrmicinae: Dalla Torre, 1893: 108 (as †Myrmecium, incorrect subsequent spelling); Bolton, 1995b: 37 (anachronism); junior synonym of Myrmica: Dalla Torre, 1893: 108; Forel, 1915d: 9; as genus of *Myrmiciidae (Symphyta): Maa, 1949: 17; Rasnitsyn, 1969: 17; as genus of *Pseudosiricidae (Symphyta): Handlirsch, 1906: 577; Abe & Smith, D.R. 1991: 53. Excluded from Formicidae.
 * †Myrmicium boreale Heer, 1870: 78, pl. 16, fig. 46 (fragment) NORWAY (Miocene). Combination in †Promyrmicium: Baroni Urbani, 1971b: 362. Transferred to family Ichneumonidae: Birket-Smith, 1977: 8. Excluded from Formicidae.
 * †Myrmicium heerii Westwood, 1854: 396, pl. 18, fig. 21 (wing) GREAT BRITAIN. Transferred to †Myrmiciidae (Symphyta): Maa, 1949: 17; Rasnitsyn, 1969: 17; to †Pseudosiricidae (Symphyta): Handlirsch, 1906: 577; Abe & Smith, D.R. 1991: 53. Excluded from Formicidae.
 * Dorylus mediatus Fabricius, 1804: 428 (m.) CENTRAL AMERICA. Combination in Labidus: Shuckard, 1840b: 261. Transferred to family MUTILLIDAE: Westwood, 1842: 78. [Incorrectly continued listed under Dorylus by Mayr, 1863: 408 and Roger, 1863b: 41.]
 * Scyphodon anomalum Brues, 1925: 95 (m.) INDONESIA (Sumatra). See also: Petersen, 1968: 591. Excluded from Formicidae: Ogata, Terayama & Masuko, 1995: 33.