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Reptiles of the United States  
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A Guide to the Reptiles &
Amphibians of the United States
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Snakes of the U.S.
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Abbreviation Legend

  • (CE) - Criticially Endangered
  • (CI) - Critically Imperiled
  • (E) - Endangered
  • (I) - Introduced
  • (IM) - Imperiled
  • (NT) - Near Threatened
  • (T) - Threatened
  • (V) - Vulnerable
  • (**) - Recent Classification Change
Home »» Critically Imperiled Species of the United States

The following is a listing of the species of Herpfauna that are considered Critically Imperiled the United States.

Critically Imperiled Frogs & Toads of the United States

Critically Imperiled Turtles & Tortoises of the United States

Critically Imperiled Snakes of the United States

Critically Imperiled Lizards of the United States

Critically Imperiled Crocdilians of the United States