H.R. 9191 explained  ·  119th Congress  ·  Pending in Congress

National Fossil Act of 2026

Create a free account or sign in to follow H.R. 9191 and get alerts. Policy area: Government Operations and Politics Create a free account or sign in to follow the Government Operations and Politics policy area and get alerts. ▲ 32 days since action Sponsor: Erin Houchin, IN-09, R → Congress.gov

Cosponsors: 9 (2 D, 7 R) · per Congress.gov, 2026-10-14

Introduced: 2026-06-08

Latest action (2026-09-17): Received in the Senate and Read twice and referred to the Committee on the Judiciary.

What H.R. 9191 does, in plain terms

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.

Official summary by the Congressional Research Service, via Congress.gov.

Constitution Index

“VFA Constitution grade”

A

Constitutionally sound

Graded 2026-10-11

SI-generated grade · five published checks · not individually reviewed by a person · methodology

The National Fossil Act of 2026 is a purely symbolic designation of national fossil mammals and dinosaurs. It does not grant new powers, restrict rights, or impose obligations on individuals or states. It is fully consistent with the Constitution's enumerated powers and the Tenth Amendment, as it does not infringe on any reserved powers.

  • ✓ Passes · Enumerated powers
    The bill is a symbolic designation by Congress. While the Constitution does not explicitly grant Congress the power to designate national symbols, such designations are a customary exercise of the legislative power under Article I, Section 1, and are not an exercise of any enumerated power that would require specific authorization. The bill does not regulate commerce, tax, or spend, and it does no…
  • ✓ Passes · Bill of Rights
    The bill does not implicate any of the first ten amendments. It does not restrict speech, religion, assembly, press, petition, arms, quartering, search and seizure, self-incrimination, due process, takings, trial rights, or cruel and unusual punishment. It is purely declaratory and has no effect on individual rights.
  • ✓ Passes · Individual sovereignty
    The bill imposes no restrictions on individual action. It does not regulate personal conduct, property, speech, labor, or belief. It merely designates official national fossils, which has no bearing on individual sovereignty.
  • ✓ Passes · Decentralization
    The bill does not consolidate decision-making at the federal level in any meaningful way. It is a symbolic act that does not preempt state or local authority. States and localities remain free to designate their own fossils or take any other action. The designation is purely honorary and does not affect the distribution of powers.
  • ✓ Passes · Due process and takings
    The bill does not deprive any person of life, liberty, or property, nor does it take any property. It does not create any legal process or affect any existing rights. There is no due process or takings issue.

Sources: Congress.gov: HR 9191 summary

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