Biodiversity browser
Version 1.03

KINGDOM: Animalia
    ↳ PHYLLUM: Chordata
        ↳ CLASS: Reptilia
            ↳ SUBCLASS: Diapsida
                ↳ INFRACLASS: Archosauromorpha
                    ↳ SUPERORDER: Dinosauria
                        ↳ ORDER: Ornithischia ✝

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families within the order Ornithischia:
Hadrosauridae ✝