Federal · 119th Congress
National Fossil Act of 2026
Policy areaGovernment Operations and Politics
Summary
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.
Sponsor
Cosponsors9
Debbie DingellDU.S. Representative · 6th District · MI
Dusty JohnsonRU.S. Representative · At-Large · SD
Nicholas A. LangworthyRU.S. Representative · 23rd District · NY
Celeste MaloyRU.S. Representative · 2nd District · UT
Tracey MannRU.S. Representative · 1st District · KS
Glenn GrothmanRU.S. Representative · 6th District · WI
Robert F. Onder, Jr.RU.S. Representative · 3rd District · MO
Mary Gay ScanlonDU.S. Representative · 5th District · PA
Beth Van DuyneRU.S. Representative · 24th District · TXOther titles3
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.Official Title as IntroducedOfficial Title from EH (Engrossed in House) bill text
National Fossil ActShort Title(s) as Introduced
National Fossil Act of 2026Short Title(s) as Reported to HouseShort Title(s) as Passed HouseShort Titles from RFS (Referred to Senate) bill text
Legislative history12
Sep 17, 2026
SenateReceived in the Senate and Read twice and referred to the Committee on the Judiciary.
Sep 16, 2026
House · FloorMotion to reconsider laid on the table Agreed to without objection.
Sep 16, 2026
House · FloorOn motion to suspend the rules and pass the bill, as amended Agreed to by voice vote. (text: CR H5938)
Sep 16, 2026
House · FloorDEBATE - The House proceeded with forty minutes of debate on H.R. 9191.
Sep 16, 2026
House · FloorConsidered under suspension of the rules. (consideration: CR H5938-5939)
Sep 16, 2026
House · FloorMs. Lee (FL) moved to suspend the rules and pass the bill, as amended.
Sep 8, 2026
HousePlaced on the House Calendar, Calendar No. 89.
Sep 8, 2026
House · CommitteeReported (Amended) by the Committee on Judiciary. H. Rept. 119-803.
Jul 15, 2026
House · CommitteeOrdered to be Reported (Amended) by the Yeas and Nays: 22 - 1.
Jul 15, 2026
House · CommitteeCommittee Consideration and Mark-up Session Held
Jun 8, 2026
HouseReferred to the House Committee on the Judiciary.
Jun 8, 2026
IntroducedIntroduced in House
Documents6
Texts
As referred to a Senate committeeLatestReferred in SenateU.S. Government Publishing OfficeSep 17, 2026As passed by the HouseEngrossed in HouseU.S. Government Publishing OfficeSep 16, 2026As reported by the House committeeReported in HouseU.S. Government Publishing OfficeSep 8, 2026As introduced in the HouseIntroduced in HouseU.S. Government Publishing OfficeJun 8, 2026