Eoformica

The taxonomomic placement of this genus is uncertain and it is currently considered incertae sedis in Formicidae. There are four species found in Florissant shale (Oligocene) from Colorado, USA.

Identification
Male. - Length, 7.5mm; head small, nearly round, but somewhat broader behind; thorax broad, about twice as wide, and more than twice as long as the head and somewhat broader. Length of head, 1.2mm; thorax, 2.2mm; gaster, 2.7mm.

Castes
Male

Nomenclature
The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants. Barry continually updates his Catalogue and thus the following information reflects an up-to-date accounting of ant taxonomy. We are indebted to Barry for making this information available.

Genus *EOFORMICA Taxonomic history [*Formicites (collective group name) material absorbed into *Eoformica: Dlussky & Rasnitsyn, 2002: 424.]
 * Eoformica Cockerell, 1921: 38. Type-species: *Eoformica eocenica (junior synonym of *Eoformica pingue), by monotypy.
 * Eoformica incertae sedis in Ponerinae: Cockerell, 1921: 38.
 * Eoformica in Formicinae, Oecophyllini: Donisthorpe, 1943f: 643.
 * Eoformica incertae sedis in Myrmicinae: Carpenter, 1930: 17; Bolton, 1994: 106; Bolton, 1995b: 188.
 * Eoformica incertae sedis in Formicidae: Dlussky & Rasnitsyn, 2002: 424.