Thyreophora is a group of armoured Dinosaurs, part of the Ornitischia.


*Scutellosaurus has no actual family. He is the first thyreophoran despite not being part of the groups listed above.

They lived from the Triassic to the Cretaceous (229-65 Mya).


  • The Stegosaurs are the only thyreophorans that did not survive until the great extinction, since they died out 135 Mya.

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