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Dinosaur Species

Tyrannosaurus rex Baminornis zhenghensis Velociraptor Istiorachis macaruthurae Shri rapax Iguanodontians Nanotyrannus lethaeus Nanotyrannus Sasayamagnomus saegusai Huayracursor jaguensis

Hyoid-Bone Study Confirms Nanotyrannus Was Its Own Tyrannosaur Species

By reading growth rings in a throat bone, researchers show the holotype had stopped growing, resolving a decades-long identification question.

Adult Nanotyrannus Identified in 'Dueling Dinosaurs' Fossil, Forcing Rethink of T. Rex Growth

New Sail-Backed Dinosaur From Isle of Wight Identified as Istiorachis macarthurae