Centris denudans Lepeletier, 1841:150, ♀. ♀, Cayenne (Musée du général Dejean); Vélez, 2012Vélez Velandia, E.D. 2012. . Dissertation , , 1-247. Bogotá, Colombia.:169, Holotype ♀ (OUM). - Smith, 1854Smith, F. 1854. Catalogue of Hymenopterous Insects in the Collection of the British Museum. Part II. Apidae. London. 465 pp, 8 pl. (distribution); Smith, 1874Smith, F. 1874. A revision of the genera Epicharis, Centris, Eulema, and Euglossa, belonging to the family Apidae, Section Scopulipedes [Continued from p. 322]. The Annals and Magazine of Natural History ser. 4: v. 13:357-373. (distribution); Burmeister, 1876Burmeister, H. 1876. Die Xylocopa-Arten des La Plata-Gebietes. Stettiner Entomologische Zeitung 37:152-183. (distribution); Dalla Torre, 1896Dalla Torre, C.G. 1896. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, X. Apidae (Anthophila). Sumptibus Guilelmi Engelmann, 1-643. (distribution); Friese, 1900Friese, H. 1900. Monographie der Bienengattung Centris (s. lat.). Annalen des Naturhistorischen Museums in Wien 15:237-350. (distribution); Alfken, 1933Alfken, J.D. 1933. Ergebnisse einer zoologischen Sammelreise nach Brasilien, inbesondere in das Amazonasgebeit, ausgeführt von Dr. H. Zerny. IX Teil. Hymenoptera: Apidae. Annalen des Naturhistorischen Museums in Wien 45:303-307. (distribution); Gaglianone et al., 2011Gaglianone, M.C., A.J. Camillo de Aguiar, F. Vivallo & I. Alves-dos-Santos 2011. Checklist das abelhas coletoras de óleos do Estado de São Paulo, Brasil. Biota Neotropica 11 (Supl. 1):657-666. (distribution); Vélez, 2012Vélez Velandia, E.D. 2012. . Dissertation , , 1-247. Bogotá, Colombia. (distribution); Vélez & Vivallo, 2018Vélez, D. & F. Vivallo 2018. Sinopsis de las especies del subgénero Centris (Ptilotopus) (Hymenoptera: Apidae) en Colombia. Biota Colombiana 19 (2):46-63. (distribution). - As Trachina denudans: - Schomburgk, 1848Schomburgk, R. 1848. Reisen in Britisch-Guiana in den Jahren 1840-1844. Dritter Theil. Verlagsbuchhandlung von J. J. Webre, Leipzig. (distribution).