The Hadrosaurus Foulkii is designated as the New Jersey State Dinosaur.
N.J. Stat. Ann. § 52:9A-5
Designation of State dinosaur
L.1991,c.161,s.2.
Current official text: New Jersey Legislature. Digitized from the New Jersey Legislature bulk statutes download. Reproduced from public-domain New Jersey statutes; confirm against the official source for the current text. Not legal advice.