dinosauria - geologytholtz/g104/104dinosauria.pdf · dinosauria marginocephalia ornithopoda...
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Silesaurus
Sauropodomorpha Theropoda
Saurischia
DINOSAURIA
Ornithischia
3 or more sacrals; Semiopposable Manual Digit I; Reduced Manual Digits IV & V; Open (perforate) Acetabulum
DINOSAURIA
MarginocephaliaOrnithopoda
Thyreophora