H.R. 9191 Passed the House Government Operations and Politics

National Fossil Act of 2026

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. Introduced
  2. Committee
  3. Passed House
  4. Passed Senate
  5. To President
  6. Became law
Sponsor Rep. Houchin, Erin [R-IN-9] Introduced June 8, 2026 Cosponsors 9 (2 D, 7 R) Latest action September 17, 2026

Summary

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.

Summary by the Congressional Research Service, Library of Congress.

Congress.gov

Actions

  1. Sep 17, 2026 Received in the Senate and Read twice and referred to the Committee on the Judiciary.
  2. Sep 16, 2026 Motion to reconsider laid on the table Agreed to without objection.
  3. Sep 16, 2026 On motion to suspend the rules and pass the bill, as amended Agreed to by voice vote. (text: CR H5938)
  4. Sep 16, 2026 Passed/agreed to in House: On motion to suspend the rules and pass the bill, as amended Agreed to by voice vote.
  5. Sep 16, 2026 DEBATE - The House proceeded with forty minutes of debate on H.R. 9191.
  6. Sep 16, 2026 Considered under suspension of the rules. (consideration: CR H5938-5939)
  7. Sep 16, 2026 Ms. Lee (FL) moved to suspend the rules and pass the bill, as amended.
  8. Sep 8, 2026 Placed on the House Calendar, Calendar No. 89.
  9. Sep 8, 2026 Reported (Amended) by the Committee on Judiciary. H. Rept. 119-803.
  10. Jul 15, 2026 Ordered to be Reported (Amended) by the Yeas and Nays: 22 - 1.
  11. Jul 15, 2026 Committee Consideration and Mark-up Session Held
  12. Jun 8, 2026 Referred to the House Committee on the Judiciary.

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