H.R. 9191 — Engrossed in House

119th CONGRESS 2d Session H. R. 9191 AN ACT 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. 1. Short title This Act may be cited as the National Fossil Act of 2026. 2. National fossil mammal and dinosaur of the United States (a) Designation Chapter 3 of title 36, United States Code, is amended— (1) in the chapter heading, by striking and bird and inserting bird, and fossil; and (2) by adding at the end the following: 307. National fossil mammal and dinosaur The fossil of— (1) the genus Mammut americanum, commonly known as the American mastodon, is the national fossil mammal; and (2) the Tyrannosaurus rex is the national fossil dinosaur. . (b) Conforming amendments Title 36, United States Code, is amended— (1) in the table of sections for chapter 3, by adding at the end the following: 307. National fossil mammal and dinosaur. ; and (2) by striking the item relating to chapter 3 in the table of chapters at the beginning of such title and inserting the following: 3.National Anthem, Motto, Floral Emblem, March, Tree, Bird, and Fossil301 . Passed the House of Representatives September 16, 2026.Clerk.