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| | Caudata (salamanders, newts, amphiuma, mudpuppies, waterdogs, sirens) |
 | | The tails of most caudates are obvious, being approximately of equal length to the body, however, some may possess extraordinarily long tails (Oedipina, etc.), while the tails of others may be hard to distinguish from an elongate, snake-like body (Amphiuma, etc.). |
 | | Caudates are found mainly in the cooler Northern Hemisphere, with the exception of some genera of the family Plethodontidae that inhabit tropical zones of Central and South America, and a few other unique species. |
 | | Cloudsley-Thompson, J.L. The Diversity of Amphibians and Reptiles: An Introduction. |
| www.livingunderworld.org /caudata (951 words) |
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