Reptilia - Neornithischia - Hadrosauridae

PaleoDB taxon number: 38762

Alternative spellings: Hydrosaurus, Madrosaurus

Synonym: Ornithotarsus Cope 1869 (taxon 63883)

Full reference: J. Leidy. 1858. [On the bones of a huge herbivorous saurian near Haddonfield]. Proceedings of the Academy of Natural Sciences of Philadelphia 10:215-218

Parent taxon: Brachylophosaurini according to P. Cruzado-Caballero and J. E. Powell 2017

Sister taxa: Acristavus, Brachylophosaurus, Maiasaura, Probrachylophosaurus, Wulagasaurus

Subtaxa: Hadrosaurus foulkii

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Type: Hadrosaurus foulkii

Ecology: ground dwelling herbivore