Xenosaurus Gray 1856 (American knob-scaled lizards)
PaleoDB taxon number: 373926
Parent taxon: Xenosaurinae according to S. B. McDowell and C. M. Bogert 1954
Sister taxa: none
Subtaxa: Xenosaurus agrenon, Xenosaurus arboreus, Xenosaurus grandis, Xenosaurus newmanorum, Xenosaurus platyceps, Xenosaurus rackhami, Xenosaurus rectocollaris