Ornithotarsus
Sign in to saveOrnithotarsus () is a genus of hadrosaurid ornithopod dinosaurs that lived in North America during the Late Cretaceous Period in what is now the Merchantville Formation about 84 million to 78 million years ago.
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Ornithotarsus () is a genus of hadrosaurid ornithopod dinosaurs that lived in North America during the Late Cretaceous Period in what is now the Merchantville Formation about 84 million to 78 million years ago.
==Taxonomy== Ornithotarsus immanis was described in 1869 on the basis of YPM 3221, a fragmentary hindlimb comprising a distal tibia and fibula as well as ankle bones unearthed from the Merchantville Formation of Raritan Bay of New Jersey. Although subsequently treated as a synonym of Hadrosaurus, Prieto-Marquez et al. (2006) found Ornithotarsus to share no diagnostic traits with the H. foulkii holotype and declared it a nomen dubium undetermined beyond Hadrosauridae, and Brownstein (2021) agreed with this assessment.
Excerpted from Wikipedia’s “Ornithotarsus” article, available under the CC BY-SA 4.0 licence.