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
Where this section came from
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Jun 8, 2026 · Introduced in House Referred to House Committee on the Judiciary, Jun 8
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Sep 8, 2026 · Reported in House Marked up by House Committee on the Judiciary, Jul 15 Reported by House Committee on the Judiciary, Sep 8 Committee members' individual votes aren't in our records.
(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:
… 5 unchanged passages …
(b) Conforming amendments.
The
Title
table of sections for chapter 3 of title
36, United States Code, is amended— (1) in the
chapter
table
heading,
of
by
sections
striking
for
and
chapter
bird and inserting bird
3
,
and fossil; and (2)
by adding at the end the following:
… 3 unchanged passages …
; 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:
[Inserted into the law:
3.National Anthem, Motto, Floral Emblem, March, Tree, Bird, and Fossil301
]
What is a markup?
A markup is a committee meeting where members go through a bill and vote on changes before sending it to the full chamber.
(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:
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:
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:
3.National Anthem, Motto, Floral Emblem, March, Tree, Bird, and Fossil301