†family Nanotyrannidae Zanno and Napoli 2025 (coelurosaur)
Reptilia - Theropoda - Nanotyrannidae
Full reference: L. E. Zanno and J. G. Napoli. 2025. Nanotyrannus and Tyrannosaurus coexisted at the close of the Cretaceous. Nature 648(8093):357-367
Parent taxon: Eutyrannosauria according to L. E. Zanno and J. G. Napoli 2025
Sister taxa: none
Subtaxa: Nanotyrannus
Ecology: ground dwelling carnivore
Distribution:
• Cretaceous of United States (6: Montana, South Dakota, Wyoming collections)
Total: 6 collections each including a single occurrence