Journal article

A diminutive tyrannosaur lived alongside Tyrannosaurus rex

Griffin, C. T.; Bugos, J.; Poust, A. W.; Morris, Z. S.; Sombathy, R. S.; D'Emic, M. D.; O'Connor, P. M.; Petermann, H.; Fabbri, M.; Colleary, C. (2025)

Citation

Griffin, C. T.; Bugos, J.; Poust, A. W.; Morris, Z. S.; Sombathy, R. S.; D'Emic, M. D.; O'Connor, P. M.; Petermann, H.; Fabbri, M.; Colleary, C. (2025). A diminutive tyrannosaur lived alongside Tyrannosaurus rex. Science. doi:10.1126/science.adx8706

Cited by genera

Nanotyrannus
Pro-validity: ceratobranchial I histology of CMNH 7541 indicates the specimen was nearing or had reached skeletal maturity, supporting taxonomic distinctness from coeval Tyrannosaurus rex.