Tuojiangosaurur, Paranthodon, Lexovisaurus and Stgosaurus are the most derived members of the stegosauridae family, they are distinguished from chungkingosaurus and chialingosaurus by having a low skull profile; plate-like osteoderms along the back; sacrum; and reduced or obliterated openings on the dorsal surface of the sacrum.

This is a silhouette of a stegosaurus skeleton (note the scale bar is 1m).

general dinosaur anatomy

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