The spotted box turtle (Terrapene nelsoni) is a species of turtle in the family Emydidae. The species is endemic to the Sierra Madre Occidental in Mexico.
The specific name, nelsoni, is in honor of American biologist Edward William Nelson.[1]
Two subspecies are recognized as being valid, including the nominotypical subspecies (listed in alphabetical order by subspecific name).[2]
Stejneger L (1925). "New species and subspecies of American turtles". J. Washington Acad. Sci. 15 (20): 462–463. (Terrapene nelsoni, new species, p. 463).