Tyrannosauridae

Tyrannosaurid (T. rex) and allosauroid (Allosaurus fragilis) skulls. Note the forward facing eye sockets of T. rex.

Mounted cast of a Gorgosaurus skeleton at the Royal Tyrrell Museum

Humerus
     Radius
     Metacarpal II
     Phalanx II-1
     Phalanx II-2

Comparison of Tyrannosaurids forelimb element proportions

Tyrannosauridae (or tyrannosaurids, meaning "tyrant lizards") is a family of coelurosaurian theropod dinosaurs which comprises two subfamilies containing up to eleven genera, including the eponymous Tyrannosaurus. The exact number of genera is controversial, with some experts recognizing as few as three. All of these animals lived near the end of the Cretaceous Period and their fossils have been found only in North America and Asia.

单词	Tyrannosaurine
释义	Tyrannosaurine 英语百科 Tyrannosauridae Tyrannosauridae (or tyrannosaurids, meaning "tyrant lizards") is a family of coelurosaurian theropod dinosaurs which comprises two subfamilies containing up to eleven genera, including the eponymous Tyrannosaurus. The exact number of genera is controversial, with some experts recognizing as few as three. All of these animals lived near the end of the Cretaceous Period and their fossils have been found only in North America and Asia.
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Tyrannosaurine

Tyrannosauridae