Tetanurae
Tetanurae, of stywesterte, is ’n klade dinosourusse wat die meeste teropodes, ook voëls, insluit.
Hulle het in die Vroeë of Middel-Jura hul verskyning gemaak.
| Tetanurae | |
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| Skelet van ’n Piatnitzkysaurus floresi. | |
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| (geen rang): | Tetanurae (Gauthier, 1986) |
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Die naam is in 1986 deur Jacques Gauthier aan ’n groot groep teropodes gegee. Tetanurae word gedefinieer as alle teropodes wat nader verwant aan moderne voëls is as aan Ceratosaurus.
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