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)
Teaching approaches
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1 approach
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?
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)
Learning resources
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Check understanding
- Name the two major dinosaur groups: Saurischia and Ornithischia
- Explain the difference is based on hip bone structure (lizard-hipped vs bird-hipped)
- Correctly classify at least two dinosaurs into each group (e.g. T. rex = Saurischia, Triceratops = Ornithischia)
“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?”
Curriculum record
- Type
- Conceptual
- Subject
- Science
- Domain
- Dinosaurs & Paleontology
- Age range
- Ages 9–11