Species
Extinct

Haplocanthosaurus utterbacki

subjective synonym of Haplocanthosaurus priscus
Hatcher 1903
This taxon is considered subjective synonym of of the valid taxon Haplocanthosaurus priscus according to the Paleobiology Database. See the page for Haplocanthosaurus priscus
Bibliography
Original description
J. B. Hatcher. 1903. Osteology of Haplocanthosaurus, with description of a new species, and remarks on the probable habits of the Sauropoda and the age and origin of the Atlantosaurus Beds. Memoirs of the Carnegie Museum 2(1):1-72 DOI ↗