The new species, named for its lighter hued snout, is so different from other salamanders in the amphibian-rich region that it was placed in a new genus. (Read more on the NatGeo News Watch blog.)
It is the first new genus of a four-footed creature found in the U.S. in 50 years, scientists say.
Of the approximately 560 salamanders in the world, 10 percent are found in Georgia's Appalachian Mountains.
Finding a new animal living so close to humans shows that "there are still things out there to discover," team member John Maerz, of the University of Georgia, said in a statement.
"It makes you wonder, what else is out there?"
Research appears in a new issue of the Journal of Zoology.