To amend chapter 3 of title 36, United States Code, to designate the American mastodon as the national fossil mammal and the Tyrannosaurus rex as the national fossil dinosaur of the United States, and for other purposes. — HR-9191 (R-IN) · Congress.wiki
To amend chapter 3 of title 36, United States Code, to designate the American mastodon as the national fossil mammal and the Tyrannosaurus rex as the national fossil dinosaur of the United States, and for other purposes.
house
senate
president
Introduced June 8, 2026 by Erin Houchin · Last progress June 8, 2026
