Ectatomma brunneum

Distribution
This taxon was described from Brazil.

Nomenclature

 * quadridens. Formica quadridens Fabricius, 1793: 362 (w.) FRENCH GUIANA. [Junior primary homonym of Formica quadridens De Geer, 1773: 609 (now in Cephalotes).] Junior synonym and hence first available replacement name: Ectatomma brunnea Smith, F. 1858b: 103; designated by Bolton, 1995b: 187. Mann, 1916: 405 (m.); Santschi, 1921g: 83 (q.); Wheeler, G.C. & Wheeler, J. 1952a: 131 (l.). Combination in Ectatomma: Mayr, 1862: 732. Senior synonym of brunnea: Roger, 1860: 307.
 *  brunneum. Ectatomma brunnea Smith, F. 1858b: 103 (w.q.) BRAZIL. Junior synonym of quadridens: Roger, 1860: 307, and hence first available replacement name for Formica quadridens Fabricius, 1793: 362. [Junior primary homonym of Formica quadridens De Geer, 1773: 609 (now in Cephalotes).]; designated by Bolton, 1995b: 186.