| scaphiopus | (n) New World spadefoot toads, Syn. genus Scaphiopus |
| plains spadefoot | (n) this spadefoot toad lives in plains and hills and river bottoms in areas of low rainfall east of the Rocky Mountains, Syn. Scaphiopus bombifrons |
| southern spadefoot | (n) this spadefoot toad lives in the southwestern United States, Syn. Scaphiopus multiplicatus |
| western spadefoot | (n) this spadefoot toad live in California, Syn. Scaphiopus hammondii |