Emery, 1924f: 344; Smith, 1951c: 830 (North America); Kempf, 1972b: 252 (Neotropical); Smith, 1979: 1411 (North America); Brandão, 1991: 382 (Neotropical); Bolton, 1995b: 420.
Wheeler, 1911i: 248 (all species key); Emery, 1924f: 344 (diagnosis); Creighton, 1950a: 320 (Nearctic species key); Bolton, 1994: 105 (synoptic classification); Bolton, 1995a: 1053 (census); Mackay & Mackay, 2002: 38 (U.S.A., New Mexico species key); Mayhé-Nunes & Brandão, 2002: 672 (diagnosis, Trachymyrmex opulentus group key); Mayhé-Nunes & Brandão, 2005: 274 (Trachymyrmex iheringi group key); Brandão & Mayhé-Nunes, 2007: 72 (species group phylogeny); Mayhé-Nunes & Brandão, 2007: 4 (Trachymyrmex jamaicensis group key); Rabeling et al., 2007: 4 (Nearctic species revision, key); Baccaro et al., 2015: 264 (genus in Brazil); Sánchez-Peña et al., 2017: 87 (Nearctic species key); Cantone, 2017: 244 (brief male diagnosis); Fernández & Serna, 2019: 877 (Colombia species key); Solomon et al., 2019: 939, 948, 950 (phylogeny, species list, diagnosis). [Note: prior to Solomon et al., 2019: 939, references to species of Mycetomoellerius and Paratrachymyrmex are included here.]
Extant: 9 valid species
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