Trypoxylon clavàtus Say, 1837:374,United States; Coville, 1982Coville, R.E. 1982. Wasps of the genus Trypoxylon, subgenus Trypargilum in North America (Hymenoptera: Sphecidae). University of California Press, 1-147.:87, Holotype ♀, type series presumed lost. - Cresson, 1862Cresson, E.T. 1862. Catalogue of the described species of North American Hymenoptera (Continued from page 211.). Proceedings of the Entomological Society of Philadelphia 1 (8):227-238. (distribution). - As Trypoxylon clavatum clavatum: - Coville, 1982Coville, R.E. 1982. Wasps of the genus Trypoxylon, subgenus Trypargilum in North America (Hymenoptera: Sphecidae). University of California Press, 1-147. (distribution).
Trypoxylon rufozonalis Fox, 1891:145, ♂♀.Colorado; Coville, 1982Coville, R.E. 1982. Wasps of the genus Trypoxylon, subgenus Trypargilum in North America (Hymenoptera: Sphecidae). University of California Press, 1-147.:87, Holotype ♀, examined (ANS, No. 4728). Synonymized with Trypoxylon arizonense Fox, 1891 by Sandhouse, 1940Sandhouse, G.A. 1940. A review of the Nearctic wasps of the genus Trypoxylon (Hymenoptera: Sphecidae). The American Midland Naturalist 24 (1):133-176.:140. - Coville, 1982Coville, R.E. 1982. Wasps of the genus Trypoxylon, subgenus Trypargilum in North America (Hymenoptera: Sphecidae). University of California Press, 1-147.:87 ( listed as synonym of Trypoxylon clavatum clavatum Say, 1837). - As Trypoxylon rufozonale: - Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution).
Trypoxylon quintilis Viereck, 1906:206, ♂. Holotype ♂, Douglas Co., Kansas, July (University of Kansas, leg. E.S. Tucker); Coville, 1982Coville, R.E. 1982. Wasps of the genus Trypoxylon, subgenus Trypargilum in North America (Hymenoptera: Sphecidae). University of California Press, 1-147.:87, Holotype ♂, examined. Synonymized with Trypoxylon clavatum Say, 1837 by Sandhouse, 1940Sandhouse, G.A. 1940. A review of the Nearctic wasps of the genus Trypoxylon (Hymenoptera: Sphecidae). The American Midland Naturalist 24 (1):133-176.:143. - Coville, 1982Coville, R.E. 1982. Wasps of the genus Trypoxylon, subgenus Trypargilum in North America (Hymenoptera: Sphecidae). University of California Press, 1-147.:87 ( listed as synonym of Trypoxylon clavatum clavatum Say, 1837).
Trypoxylon cockerellae Rohwer, 1909:130, Coville, 1982Coville, R.E. 1982. Wasps of the genus Trypoxylon, subgenus Trypargilum in North America (Hymenoptera: Sphecidae). University of California Press, 1-147.:87, Holotype ♀, examined (NMNH, No. 21015). - Sandhouse, 1940Sandhouse, G.A. 1940. A review of the Nearctic wasps of the genus Trypoxylon (Hymenoptera: Sphecidae). The American Midland Naturalist 24 (1):133-176.:143 ( listed as synonym of Trypoxylon clavatum Say, 1837); Coville, 1982Coville, R.E. 1982. Wasps of the genus Trypoxylon, subgenus Trypargilum in North America (Hymenoptera: Sphecidae). University of California Press, 1-147.:87 ( listed as synonym of Trypoxylon clavatum clavatum Say, 1837). - As Trypoxylon clavatum cockerellae: