Formica tridentata Fabricius, 1804: 412 (w.) SOUTH AMERICA. Neotropic.

Primary type information: Primary type material: 4 syntype workers. Primary type locality: South America: ("Habitat in America meridionali Dom. Smidt. Mus. Dom. Lund.") (no further data). Primary type depository: ZMUC, ZMUK. Type notes: Zimsen, 1964: 426, cites 4 worker syntypes (2 ZMUC, 2 ZMUK).