Fish and Wildlife Service · FXES1111090FEDR-267-FF09E21000
Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for the Rayed Bean, Sheepnose, Snuffbox, and Spectaclecase Mussels
The Federal Register published the matched proposal on March 24, 2026 and the matched final rule on April 27, 2026, 34 days later.
- Comment dates in the record. June 22, 2026 → July 8, 2026 → August 6, 2026 → August 17, 2026. See the individual notices below.
- Correction published. July 29, 2026, July 29, 2026. Check it alongside the final rule.
Official publication history
Proposed Rule ·
Endangered and Threatened Wildlife and Plants; 90-Day Findings for 10 Species
Comment period update ·
Endangered and Threatened Wildlife and Plants; Endangered Species Status for Fish Lake Valley Tui Chub
Comment date listed March 6, 2026
Proposed Rule ·
Endangered and Threatened Wildlife and Plants; Status Review for the Lesser Prairie-Chicken
Comment date listed March 30, 2026
Final rule ·
Endangered and Threatened Wildlife and Plants; Removal of Northern and Southern Distinct Population Segments of the Lesser Prairie-Chicken From the List of Endangered and Threatened Wildlife in Compliance With Court Order
Effective date in register data February 26, 2026
Proposal ·
Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for 22 Species in the Commonwealth of the Northern Mariana Islands and the Territory of Guam
Comment date listed June 22, 2026
Proposal ·
Endangered and Threatened Wildlife and Plants; Endangered Species Status for Jamaican Kite Swallowtail
Comment date listed June 16, 2026
Final rule ·
Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for the Rayed Bean, Sheepnose, Snuffbox, and Spectaclecase Mussels
Effective date in register data May 27, 2026
Proposed Rule ·
Endangered and Threatened Wildlife and Plants; 12-Month Not-Warranted Finding for the Temblor Legless Lizard
Final rule ·
Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for the Rusty Patched Bumble Bee
Effective date in register data July 1, 2026
Comment period update ·
Endangered and Threatened Wildlife and Plants; Threatened Species Status With Section 4(d) Rule for Southern Hognose Snake
Comment date listed July 8, 2026
Comment period update ·
Endangered and Threatened Wildlife and Plants; Threatened Species Status With Section 4(d) Rule for Southern Hognose Snake
Comment date listed July 8, 2026
Rule ·
Endangered and Threatened Wildlife and Plants; Two Species Not Warranted for Listing as Endangered or Threatened Species
Comment period update ·
Endangered and Threatened Wildlife and Plants; Threatened Species Status With Section 4(d) Rule for the Kern Canyon Slender Salamander and Endangered Species Status for the Relictual Slender Salamander; Designation of Critical Habitat
Comment date listed August 6, 2026
Proposed Rule ·
Endangered and Threatened Wildlife and Plants; 90-Day Findings for 10 Species
Final rule ·
Endangered and Threatened Wildlife and Plants; Revised Designation of Critical Habitat for the Contiguous U.S. Distinct Population Segment of the Canada Lynx
Effective date in register data August 17, 2026
Comment period update ·
Endangered and Threatened Wildlife and Plants; Grizzly Bear Listing on the List of Endangered and Threatened Wildlife With a Revised Section 4(d) Rule; Proposed Revision of the Protective Regulations Under Section 4(d)
Comment date listed August 17, 2026
Final rule ·
Endangered and Threatened Wildlife and Plants; Endangered Species Status for Florida Keys Mole Skink
Effective date in register data August 20, 2026
Final rule ·
Endangered and Threatened Wildlife and Plants; Endangered Species Status for Key Ring-Necked Snake and Rim Rock Crowned Snake
Effective date in register data August 20, 2026
Proposed Rule ·
Endangered and Threatened Wildlife and Plants; 12-Month Finding for the San Francisco Estuary Distinct Population Segment of White Sturgeon
Correction ·
Endangered and Threatened Wildlife and Plants; Revised Designation of Critical Habitat for the Contiguous U.S. Distinct Population Segment of the Canada Lynx; Correction
Correction ·
Endangered and Threatened Wildlife and Plants; Endangered Species Status for Florida Keys Mole Skink; Correction
Effective date in register data August 20, 2026
Rule ·
Endangered and Threatened Wildlife and Plants; Nine Species Not Warranted for Listing as Endangered or Threatened Species
Proposed Rule ·
Endangered and Threatened Wildlife and Plants; Four Species Not Warranted for Listing as Endangered or Threatened Species
About this timeline
How the records were matched
America.co links a proposed rule and a later final rule when the Federal Register records share the exact docket identifier and lead agency. This snapshot covers records published from January 1, 2025 to November 10, 2026.
A docket can hold more than one regulatory action. Dates here are dates listed in individual notices. Later corrections, court actions, other dockets and records outside the date window may change what applies. Follow the official documents for the full text and effective dates.
Federal Register data source · Search Regulations.gov · Download this snapshot