Silesaurus Sauropodomorpha Theropoda Saurischia DINOSAURIA Ornithischia 3 or more sacrals; Semiopposable Manual Digit I; Reduced Manual Digits IV & V; Open (perforate) Acetabulum DINOSAURIA Marginocephalia Ornithopoda Thyreophora
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