| Tetanurae Temporal range: Early Jurassic – Late Cretaceous | |
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| A mounted Monolophosaurus jiangi skeleton at the Milwaukee Public Museum. | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Sauropsida |
| Order: | Ornithoscelida/Saurischia |
| Suborder: | Theropoda |
| Clade: | Neotheropoda |
| Clade: | Tetanurae Gauthier, 1986 |
| Subgroups | |
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| Synonyms | |
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The word "Tetanurae" means stiff tails.
The grouping was named by Jacques Gauthier in 1986, and originally had two main subgroups: Carnosauria and Coelurosauria, the clade containing birds and related dinosaurs such as compsognathids, tyrannosaurids, maniraptorans, ornithomimosaurs, and megalosaurids.
Definition[]
Tetanurans are defined as all theropods more closely related to modern birds than to Ceratosaurus.