Cephalocera calcar Norton, 1867:51, ♀. Norton, 1867Norton, E. 1867. Catalogue of the described Tenthredinidae and Uroceridae of North America. Transactions of the American Entomological Society 1:31-84.:51, Holotype ♀, Cordova, t.c. Mexico (H. deSaussure); Smith, 1971Smith, D.R. 1971. The neotropical sawflies described by Norton and Cresson, with lectotype designations (Hymenoptera: Symphyta). Transactions of the American Entomological Society 97 (4):521-535.:524, Holotype ♀ (not located). - Cresson, 1880Cresson, E.T. 1880. Catalogue of the Tenthredinidae and Uroceridae of North America. Transactions of the American Entomological Society 8:53-68. (distribution). - As Aulacomerus calcar: - Smith, 1990Smith, D.R. 1990. A synopsis of the sawflies (Hymenoptera, Symphyta) of America south of the United States: Pergidae. Revista Brasileira de Entomologia 34:7-200.:138 (comb. nov.). - As Corynophilus calcar: - Kirby, 1882Kirby, W.F. 1882. List of Hymenoptera, with descriptions and figures of the typical specimens in the British Museum. Vol. I. Tenthredinidae and Siricidae. London: British Museum :xxviii + 450 pp., pls i-vi. (distribution), 32 (comb. nov.). - As Loboceras calcar: - Cameron, 1882Cameron, P. 1882. Notes on Tenthredinidae. Entomologist's Monthly Magazine 19:132-135.:133 (comb. nov.); Cameron, 1883-1888Cameron, P. 1883-1888. Biologia Centrali-Americana - Insecta. Hymenoptera. (Families Tenthredinidae-Chrysididae). Taylor and Francis, Red Lion Court, Fleet Street. 487 pp., 20 pl. (distribution), 56 (listed); Dalla Torre, 1894Dalla Torre, C.G. 1894. Catalogus Hymenopterorum. Vol. I: Tenthredinidae incl. Uroceridae (Phyllophaga & Xylophaga). G. Engelmann, 459. (distribution). - As Loboceros calcar: