Silesauridae Sauropodomorpha Theropoda PHYTODINOSAURIA DINOSAURIA Ornithischia Neornithischia Elongate Deltopectoral Crest on Humerus; Semiopposable Manual Digit I; Reduced Manual Digits IV & V; Open (perforate) Acetabulum; Potential for fuzzy integument? Edentuluous front end of dentary; Phyllodont dentition DINOSAURIA (Phytodinosauria model) Marginocephalia Ornithopoda Thyreophora Skeletons by Scott Hartman (skeletaldrawing.com) Dracohors