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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
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American Spadefoot Toads (Scaphiopodidae) of the United States
The Scaphiopodidae are of typical shape to most fossorial (or burrowing) frogs. They are round with short legs and protruding eyes. As suggested by their name, these frogs have hard, keratinous protrusions present on their feet, which help them to dig. Like most fossorial frogs, they dig backwards into the ground. They differ from true toads because they have vertical pupils and no paratoid gland.
There are 7 species, representing 2 genus, found on the United States, all of which are native to the U.S.
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