PaleoDB taxon number: 52812
Alternative combinations: Hadrosaurus faulkii, Hadrosaurus foulkei, Hadrosaurus foulki, Trachodon foulkei, Trachodon foulkii
Synonym: Ornithotarsus immanis Cope 1869 (taxon 63884)
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
Sister taxa: none
- Hadrosaurus foulkii: ANSP 10005, a partial skeleton. Its type locality is Hopkins farm, Haddonfield, which is in a Campanian estuary/bay marl in the Woodbury Formation of New Jersey.
- Ornithotarsus immanis: YPM 3221. Its type locality is Union Beach, Raritan Bay, which is in a Campanian marine claystone/marl in the Woodbury Formation of New Jersey.
Ecology: ground dwelling herbivore
Average measurements (in mm): femur 1055.0 x 140.0
Estimated body mass: 2.26 tons based on femur length