Tyrannosaurus
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Tyrannosaurus is a genus of large theropod dinosaur. The type species Tyrannosaurus rex, often shortened to T. rex or colloquially T-Rex, is one of the best represented theropods. It lived throughout
Type specimen (AMNH 3982) of Manospondylus gigas
Outdated skeletal restoration by William D. Matthew from 1905, published alongside Osborn's description paper
Dynamosaurus imperiosus holotype (NHMUK PV R8020, previously AMNH 5886) on display at the Natural History Museum, London
Gorgosaurus
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Gorgosaurus is a genus of tyrannosaurid theropod dinosaur that lived in western North America during the Late Cretaceous Period, between about 76.5 and 73 million years ago. Fossil remains have been f
Type specimen of Gorgosaurus sternbergi (AMNH 5664), now recognized as a juvenile Gorgosaurus libratus
Specimen AMNH 5458
Specimen USNM 12814 (formerly AMNH 5428)