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Listing Status:   

Current Listing Status Summary
Status Date Listed Lead Region Where Listed
Southwest Region (Region 2) Wherever found
 

» Candidate Information

Candidate Notice of Review Documents
Date Citation Page Title
1984-05-22 Review of Invertebrate Wildlife for Listing as Endangered or Threatened Species; 49 FR 21664-21675
1989-01-06 ETWP; Animal Notice of Review; 54 FR 554 579
1991-11-21 ETWP; Animal Candidate Review for Listing as Endangered or Threatened Species; 56 FR 58804 58836
1994-11-15 ETWP; Animal Candidate Review for Listing as Endangered or Threatened Species.
1996-02-28 ETWP; Review of Plant and Animal Taxa That Are Candidates for Listing as Endangered or Threatened Species
1997-09-19 Review of Plant and Animal Taxa

» Federal Register Documents

Federal Register Documents
Date Citation Page Title
1994-03-23 00:00:00.0 59 FR 13691 13694 ETWP; Proposal to List the San Xavier Talussnail as Endangered
2009-12-16 00:00:00.0 74 FR 66866 66905 Partial 90-Day Finding on a Petition to List 475 Species in the Southwestern United States as Threatened or Endangered With Critical Habitat; Proposed Rule
1989-01-06 00:00:00.0 54 FR 554 579 ETWP; Animal Notice of Review; 54 FR 554 579
1984-05-22 00:00:00.0 49 FR 21664 21675 Review of Invertebrate Wildlife for Listing as Endangered or Threatened Species; 49 FR 21664-21675
1999-10-25 00:00:00.0 64 FR 57535 57547 Review of Plant and Animal Taxa That Are Candidates or Proposed for Listing as Endangered or Threatened; Annual Notice of Findings on Recycled Petitions; Annual Description of Progress on Listing Actions
1994-11-15 00:00:00.0 59 FR 58982 59028 ETWP; Animal Candidate Review for Listing as Endangered or Threatened Species.
1991-11-21 00:00:00.0 56 FR 58804 58836 ETWP; Animal Candidate Review for Listing as Endangered or Threatened Species; 56 FR 58804 58836
1996-02-28 00:00:00.0 61 FR 7597 7613 ETWP; Review of Plant and Animal Taxa That Are Candidates for Listing as Endangered or Threatened Species
1997-09-19 00:00:00.0 62 FR 49398 49397 Review of Plant and Animal Taxa

» Conservation Plans

Candidate Conservation Agreements (CCA): (learn more)
CCA Plan Summaries
San Xavier talussnail

» Petitions

» Life History

» Other Resources

NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports -- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.