- Hadrosauridae, family Hadrosauridae - duck-billed dinosaurs; upper Cretaceous
--1 is a kind of reptile family
--1 is a member of
--1 has members:Euronithopoda, suborder Euronithopoda, euronithopod, Ornithopoda, suborder Ornithopoda hadrosaur, hadrosaurus, duck-billed dinosaur; genus Anatotitan; genus Corythosaurus; genus Edmontosaurus