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Formiciinae is an extinct subfamily of ants known from Eocene deposits in Europe and North America. ==Genera== *Formiciinae Lutz, 1986 * *Formiciini Lutz, 1986 * * *''Titanomyrma'' Archibald, ''et al'' 2011 * * * *''Titanomyrma gigantea'' (Lutz, 1986) * * * *''Titanomyrma lubei'' Archibald, ''et al'' 2011 * * * *''Titanomyrma simillima'' (Lutz, 1986) * * *''Formicium'' Westwood, 1854 (collective group genus) * * * *''Formicium berryi'' (Carpenter, 1929) * * * *''Formicium brodiei'' Westwood, 1854 * * * *''Formicium mirabile'' (Cockerell, 1920) The type genus is ''Formicium'' with the genus ''Titanomyrma'' being described in 2011. ''Formicium'' includes the described species which are known from fossil wings only. ''Formicium'' is known from three species. ''Formicium mirabile'', named by Theodore D. A. Cockerell in 1920, and ''Formicium brodiei'', named by John O. Westwood in 1854, are both known from fore wings found in the middle Eocene of Bournemouth, Dorset, England.〔 The third species named, ''Formicium berryi'' was named by Frank M. Carpenter in 1929 from the middle Eocene Claiborne Formation in Puryear, Tennessee, USA, though he misidentified the formation as the Wilcox Formation. ''F. berryi'' was the first described occurrence of the genus and, until 2011, the subfamily, in North America.〔 With the description of ''Titanomyrma'', the two species already described from complete body specimens, ''Formicium giganteum'' and ''F. simillimum'', were transferred to the new genus as ''Titanomyrma giganteum'' and ''T. simillimum'' respectively. ''Titanomyrma'' also contains a third species, ''T. lubei'' described in the same paper as the genus and which is the second member of the subfamily known from North America.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Formiciinae」の詳細全文を読む スポンサード リンク
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