H.R. 9191

National Fossil Act of 2026

Sponsor: Erin Houchin · 9 cosponsors

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Official summary

Written by the Congressional Research Service.

National Fossil Act of 2026

This bill designates the Mammut americanum (the American Mastodon) fossil as the national fossil mammal and the Tyrannosaurus rex fossil as the national fossil dinosaur.

Text of the bill

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Sec. 1. Short title Changed · Sep 8

This Act may be cited as the National Fossil Act of 2026.

Sec. 2. National fossil mammal and dinosaur of the United States Changed · Sep 8

(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:

Text this section adds to the law

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:

Text this section adds to the law

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:

Text this section adds to the law

3.National Anthem, Motto, Floral Emblem, March, Tree, Bird, and Fossil301