H.R. 9191 — Introduced in House

I 119th CONGRESS 2d Session H. R. 9191 IN THE HOUSE OF REPRESENTATIVES June 8, 2026Mrs. Houchin (for herself, Mrs. Dingell, Mr. Johnson of South Dakota, Ms. Maloy, Mr. Langworthy, and Mr. Mann) introduced the following bill; which was referred to the Committee on the Judiciary A BILL 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. 2. National fossil mammal and dinosaur of the United States (a) Designation Chapter 3 of title 36, United States Code, is amended 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 The table of sections for 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. .