United States
H.R. 9191
National Fossil Act of 2026
Official summary (Congressional Research Service, Reported to House): 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.
Passed House with amendment (voice vote) 16 September 2026
Record as of 17 September 2026 — the most recent action in the official record. Status can lag; each step below carries its own date.
- 17 September 2026 Received in the Senate and Read twice and referred to the Committee on the Judiciary.
- 16 September 2026 Passed House with amendment (voice vote)
4 more actions
- 16 September 2026 Motion to reconsider laid on the table Agreed to without objection.
- 16 September 2026 DEBATE - The House proceeded with forty minutes of debate on H.R. 9191.
- 16 September 2026 Considered under suspension of the rules. (consideration: CR H5938-5939)
- 16 September 2026 Ms. Lee (FL) moved to suspend the rules and pass the bill, as amended.
- 8 September 2026 Reported by committee
- 8 September 2026 Placed on calendar (House)
2 more actions
- 15 July 2026 Ordered to be Reported (Amended) by the Yeas and Nays: 22 - 1.
- 15 July 2026 Committee Consideration and Mark-up Session Held
- 8 June 2026 Referred to committee
- 8 June 2026 Introduced in House
This path starts where the bill does — its first action in the official record. Routine procedural steps sit in the “more actions” rows above rather than on the main line.
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