SciencefromNature2 days agoMeet the 'Wee-rex'. Tiny tyrannosaur is its own speciesNanotyrannus was a distinct dinosaur species, not a juvenile Tyrannosaurus rex, based on limb-bone evidence indicating near-complete growth.
Sciencefromwww.theguardian.com1 week agoResearchers discover new tyrannosaur species in duelling dinosaurs' fossilNanotyrannus lancensis is a distinct, fully grown small tyrannosaur species, not merely juvenile Tyrannosaurus rex.