Gonatoceros capitatus Gahan, 1932:754, ♂♀. Holotype, Centerville, Utah, August 28, 1928 (U.S.N.M., No. 43941, leg. C.F. Henderson); Huber, 2015Huber, J.T. 2015. World reclassification of the Gonatocerus group of genera (Hymenoptera: Mymaridae). Zootaxa 3967:1-184.:18, Lectotype ♀, examined (USNM); Guzmán et al., 2017Guzmán-Larralde, A.J., J.T. Huber & H.Q. Martínez 2017. Generic key and catalogue of Mymaridae (Hymenoptera) of Mexico. Zootaxa 4254:1-38.:14, Lectotype ♀ (National Museum of Natural History, Washington, District of Columbia, USA).Gonatoceros capitatus Gahan, 1932:754, ♂♀. Holotype, Centerville, Utah, August 28, 1928 (U.S.N.M., No. 43941, leg. C.F. Henderson); Huber, 2015Huber, J.T. 2015. World reclassification of the Gonatocerus group of genera (Hymenoptera: Mymaridae). Zootaxa 3967:1-184.:18, Lectotype ♀, examined (USNM); Guzmán et al., 2017Guzmán-Larralde, A.J., J.T. Huber & H.Q. Martínez 2017. Generic key and catalogue of Mymaridae (Hymenoptera) of Mexico. Zootaxa 4254:1-38.:14, Lectotype ♀ (National Museum of Natural History, Washington, District of Columbia, USA). - As Cosmocomoidea capitata: - Huber, 2015Huber, J.T. 2015. World reclassification of the Gonatocerus group of genera (Hymenoptera: Mymaridae). Zootaxa 3967:1-184.:18 (comb. nov.); Guzmán et al., 2017Guzmán-Larralde, A.J., J.T. Huber & H.Q. Martínez 2017. Generic key and catalogue of Mymaridae (Hymenoptera) of Mexico. Zootaxa 4254:1-38. (distribution); Noyes, 2019Noyes, J.S. 2019. Universal Chalcidoidea Database. World Wide Web electronic publication. :. (distribution). - As Gonatocerus capitatus: - Gahan, 1932Gahan, A.B. 1932. Miscellaneous descriptions and notes on parasitic Hymenoptera. Annals of the Entomological Society of America 25:736-757. (distribution); Ruíz-Cancino & Coronado-Blanco, 2002Ruíz-Cancino, E. & J.M. Coronado-Blanco 2002. Artrópodos terrestres de los estados de Tamaulipas y Nuevo León, México. Serie Publicaciones Cientificas No. 4:1-376. (distribution); Triapitsyn et al., 2004Triapitsyn, S.V., J.M. Coronado-Blanco & E. Ruíz-Cancino 2004. Mymaridae (Hymenoptera). In: Bousquets, J.L., J.J. Morrone, O.Y. Ordóñez & I.V. Fernández (Ed.). Biodiversidad, Taxonomía y Biogeografía de artrópodos de México: Hacia una síntesis de su conocimiento. Volumen IV. 743-746. (distribution).