Heterodontosauridae
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Heterodontosauridae is a family of ornithischian dinosaurs that were likely among the most basal members of the group. Their phylogenetic placement is uncertain but they are most commonly found outsid
Heterodontosaurus tucki cast University of California Museum of Paleontology Berkeley, CA DSC04696
Evolution of key masticatory specializations in heterodontosaurids, according to Sereno, 2012
Fossil of Tianyulong, muzzle, hand, feet and tail framed in red
Skull of Abrictosaurus
Pegomastax
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Pegomastax is a genus of heterodontosaurid dinosaur that lived during the Early Jurassic of South Africa. The only known specimen was discovered in a 1966–1967 expedition in Transkei District of Cape
Heterodontosauridae
…Subgroups †Echinodon †Fruitadens †Geranosaurus †Tianyulong †Heterodontosaurinae Sereno, 2012 †Abrictosaurus †Heterodontosaurus †Lycorhinus †Manidens †Pegomastax Heterodontosauridae is a family of ornithischian dinosaurs that were likely among the most basal (primitive) members of the group. Their phylogenetic…
Pegomastax
Entire holotype in matrix (left), with interpretative diagram
Lower jaw reconstruction of Pegomastax
Restoration by Todd Marshall