early dinosaur
- TriassicFirst Mesozoic period
- prehistoricBefore documented civilization
- primitiveIn earliest form
- ancestorPredecessor in lineage
- reptileCold-blooded scaled vertebrate
fossil · skeleton · bones · ancient · Jurassic · emergence · origin · theropod · bipedal · small · feathered · scaly · Pangaea · fern · swamp · evolution · extinction · dawn
temporal position in dinosaur evolution
early dinosaurTyrannosaurus rex
Large theropod dinosaur species