Cataulacus

Identification
Bolton's (1974) regional keys (the number of species has increased since the publication of these keys thus they are a bit out of date).

Nomenclature

 *  CATAULACUS [Myrmicinae: Cataulacini]
 * Cataulacus Smith, F. 1853: 225. Type-species: Cataulacus taprobanae, by subsequent designation of Bingham, 1903: 120.
 * Cataulacus senior synonym of Otomyrmex: Wheeler, W.M. 1922a: 664; Bolton, 1974a: 1.
 * OTOMYRMEX [junior synonym of Cataulacus]
 * Otomyrmex Forel, 1891b: 147 [as subgenus of Cataulacus]. Type-species: Cataulacus oberthueri, by monotypy.
 * Otomyrmex junior synonym of Cataulacus: Wheeler, W.M. 1922a: 664; Bolton, 1974a: 7.