Data / Federal rules / 2024-11645

Endangered and Threatened Wildlife and Plants; Endangered Species Status With Critical Habitat for Guadalupe Fatmucket, Texas Fatmucket, Guadalupe Orb, Texas Pimpleback, Balcones Spike, and False Spike, and Threatened Species Status With Section 4(d) Rule and Critical Habitat for Texas Fawnsfoot

The Fish and Wildlife Service published this final rule in the Federal Register on June 4, 2024. It took effect on July 5, 2024.

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What the agency says

We, the U.S. Fish and Wildlife Service (Service), determine endangered species status under the Endangered Species Act of 1973 (Act), as amended, for the Guadalupe fatmucket (Lampsilis bergmanni), Texas fatmucket (Lampsilis bracteata), Guadalupe orb (Cyclonaias necki), Texas pimpleback (Cyclonaias (=Quadrula) petrina), Balcones spike (Fusconaia (=Quincuncina) iheringi), and false spike (Fusconaia (=Quincuncina) mitchelli), and threatened species status for the Texas fawnsfoot (Truncilla macrodon), seven species of freshwater mussels from central Texas. We also issue a rule under section 4(d) of the Act for the Texas fawnsfoot that provides measures that are necessary and advisable to provide for the conservation of the Texas fawnsfoot. In addition, we designate critical habitat for all seven species. In total, approximately 1,577.5 river miles (2,538.7 river kilometers) in Blanco, Brown, Caldwell, Coleman, Comal, Concho, DeWitt, Gillespie, Gonzales, Guadalupe, Hays, Kendall, Kerr, Kimble, Lampasas, Llano, Mason, McCulloch, Menard, Mills, Palo Pinto, Parker, Runnels, San Saba, Shackelford, Stephens, Sutton, Throckmorton, Tom Green, Travis, and Victoria Counties, Texas, fall within the boundaries of the critical habitat designation. This rule applies the protections of the Act to these species and their designated critical habitats.

Key facts

Document number: 2024-11645
Type: Final rule
Action: Final rule
Agency: Interior Department; Fish and Wildlife Service
Published: June 4, 2024
Takes effect: July 5, 2024
Dates: This rule is effective July 5, 2024.
Docket: Docket No. FWS-R2-ES-2019-0061; FXES1111090FEDR-245-FF09E21000
Regulation ID (RIN): 1018-BD16
Code of Federal Regulations: 50 CFR 17
Topics: Endangered and threatened species; Exports; Imports; Plants; Reporting and recordkeeping requirements; Transportation; Wildlife
Pages: 97

The document on federalregister.gov PDF

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Everything from the Fish and Wildlife Service · Rules on endangered and threatened species · Rules on exports · Rules on imports · Published in June 2024

Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.