STEGOSAUR EVOLUTION

Stegosauridae is the family in which all stegosaurs are members with the exception of Huayangosaurus. The most primitive member of the stegosauridae family is Dacentrusrus which shares with the more derived members, characteristics such as a large antitrochanter; long prepubic process; long femur; and absence of lateral rows of osteoderms on the trunk.


general dinosaur anatomy

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