†unranked clade Crurotarsi Sereno and Arcucci 1990 (ornithomimosaur)
Full reference: P. C. Sereno and A. B. Arcucci. 1990. The monophyly of crurotarsal archosaurs and the origin of bird and crocodile ankle joints. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 180(1):21-52
Parent taxon: Archosauriformes according to S. J. Nesbitt 2011
See also Karl 2007, Long and Murry 1995, Parrish 1993, Sereno 1991, Sereno and Arcucci 1990 and Trotteyn et al. 2011
Sister taxa: Chasmatosuchus, Crosbysaurus, Cuyosuchus, Erythrosuchidae, Eucrocopoda, Fugusuchus, Graoullyodon, Heteropelta, Incertovenator, Kalisuchus, Lucianosaurus, Protecovasaurus, Proterosuchidae, Sarmatosuchus, Typothorax punctulatus, Zanclodon
Subtaxa: Crocodylotarsi Euscolosuchus Ornithosuchia
Ecology: ground dwelling herbivore-omnivore