Trachymyrmex relictus Borgmeier, 1934:107 - Mayhé-Nunes & Brandão, 2002Mayhé-Nunes, A.J. & R.F. Brandão 2002. Revisionary studies on the attine ant genus Trachymyrmex Forel. Part 1: Definition of the genus and the Opulentus group (Hymenoptera: Formicidae). Sociobiology 40 (3):667-698. (distribution); Starr & Hook, 2003Starr, C.K. & Hook, A.W. 2003. The aculeate Hymenoptera of Trinidad, West Indies. Occasional Papers o the Department of Life Sciences, University of the West Indies 12:1-31. (distribution); Fernández & Sendoya, 2004Fernández, F. & S. Sendoya 2004. List of Neotropical ants (Hymenoptera: Formicidae). Biota Colombiana 5 (1):3-93. (distribution); AntWeb, 2023AntWeb 2023. Ants. . (distribution). - As Mycetomoellerius relictus: - Solomon et al., 2019Solomon, S.E., C. Rabeling, J. Sosa-Calvo, C.T. Lopes, A. Rodrigues, H.L. Vasconcelos, M. Bacci Jr., U.G. Mueller & T.R. Schultz 2019. The molecular phylogenetics of Trachymyrmex Forel ants and their fungal cultivars provide insights into the origin and coevolutionary history of ‘higher-attine’ ant agriculture. Systematic Entomology 44:939-956.:948 (comb. nov.).
Trachymyrmex relictus fitzgeraldi Weber, 1937:401 Synonymized with Trachymyrmex relictus Borgmeier, 1934 by Mayhé-Nunes & Brandão, 2002Mayhé-Nunes, A.J. & R.F. Brandão 2002. Revisionary studies on the attine ant genus Trachymyrmex Forel. Part 1: Definition of the genus and the Opulentus group (Hymenoptera: Formicidae). Sociobiology 40 (3):667-698.:686.