English Hadrosauridae Cited by user LittleLazyLass on 04 Oct 2022 Hadrosaurids, or duck-billed dinosaurs, are members of the ornithischian family Hadrosauridae.
English Ankylopollexia Cited by user Lusotitan on 27 Jul 2018 Ankylopollexia is an extinct clade of ornithischian dinosaurs that lived from the Late Jurassic to the Late Cretaceous.