正模标本最初被认为属于似鸟龙科;威廉·亚瑟·帕克斯(英语:William Arthur Parks)在1933年将其归类于似鸟类的一个种:文雅似鸟龙。[4]当它的偷蛋龙类身份被揭示时,它被归类于纤手龙或单足龙。在2013年,朗里奇等人将它归类于新属细喙龙的第二个物种。最后,在2020年,格雷戈里·富斯顿为它建立了自己的属,捷足龙;这个名字源于拉丁语,意思是“敏捷的足”。[3]
^Longrich, N. R.; Barnes, K.; Clark, S.; Millar, L. Caenagnathidae from the Upper Campanian Aguja Formation of West Texas, and a Revision of the Caenagnathinae. Bulletin of the Peabody Museum of Natural History. 2013, 54: 23. doi:10.3374/014.054.0102.
^Nicholas R. Longrich, Ken Barnes, Scott Clark and Larry Millar (2013) Correction to "Caenagnathidae from the Upper Campanian Aguja Formation of West Texas, and a Revision of the Caenagnathinae".
^Parks, W.A., 1933, "New species of dinosaurs and turtles from the Upper Cretaceous formations of Alberta", University of Toronto Studies, Geological Series, 34: 1-33