Eoformica pinguis

Distribution
This taxon was described from and is known from several localities in Colorado, Montana, Utah and Wyoming.

Nomenclature

 * † pinguis. †Liometopum pingue Scudder, 1877a: 742 (m.) U.S.A. (Eocene). Combination in †Eoformica: Carpenter, 1930: 17. Senior synonym of †eocenica: Carpenter, 1930: 17; of †terreus: Dlussky & Rasnitsyn, 2002: 425.
 * †terreus. †Lasius terreus Scudder, 1878: 747 (w.) U.S.A. (Eocene). [Carpenter, 1930: 19 has this as incertae sedis in Formicidae.] Junior synonym of †pinguis: Dlussky & Rasnitsyn, 2002: 425.
 * †eocenica. †Eoformica eocenica Cockerell, 1921: 38, fig. 9, pl. 8, fig. 11 (m.) U.S.A. (Eocene). Junior synonym of †pinguis: Carpenter, 1930: 17.