🔬 Science · Dinosaurs & Paleontology

Dinosaur Hip Groups

Classify dinosaurs into the two major groups based on hip structure: Saurischia (lizard-hipped, including theropods and sauropods) and Ornithischia (bird-hipped, including Triceratops and Stegosaurus)

Typical age: 9–11 years

“Can your child explain that scientists divide dinosaurs into two big groups based on their hip bones — and tell you which group includes T. rex?”

0 / 3 mastered

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Needs first

Famous Dinosaur SpeciesREQUIRED
Must know common species before classifying them into Saurischia and Ornithischia
Plant-Eaters vs Meat-EatersREQUIRED
Must understand basic diet classification before advancing to anatomical classification

Unlocks next

Reading CladogramsREQUIRED
Must understand dinosaur classification before creating cladograms showing relationships
Birds Evolved from DinosaursREQUIRED
Must understand theropods as a group before learning birds evolved from them