Ascaphidae

Ascaphidae is a family of frogs. They are called tailed frogs because they have an organ that looks like a tail. The tail helps them to live in fast-moving streams. They live in North America.

References

 Books 



 Other websites 

 Excerpt from Zeiner et al. 1988 describing tailed frogs 
 Type information from the American Museum of Natural History

Category:Frogs of North America