After Emry & Korth, 1996
Douglassciurus Emry & Korth, 1996
Sciurus Douglass, 1901
Prosciurus Osborn & Matthew, 1909
Cedromus Wood, 1962
?Protosciurus Black, 1965
Protosciurus Storer, 1978
Cedromus Wood, 1980
Douglassciurus jeffersoni (Douglass, 1901) Emry & Korth, 1996
Sciurus jeffersoni Douglass, 1901
Prosciurus jeffersoni (Douglass) Osborn & Matthew, 1909
?Prosciurus jeffersoni (Douglass) Wood, 1937
Cedromus jeffersoni (Douglass) Wood, 1962
?Protosciurus jeffersoni (Douglass) Black, 1965
Protosciurus jeffersoni (Douglass) Storer, 1978
Cedromus jeffersoni (Douglass) Wood, 1980
Douglassia jeffersoni (Douglass) Emry & Korth, 1996
Reference(s):
- Emry, R. J. & Korth, W. W., 1996: The Chadronian squirrel “Sciurus” jeffersoni Douglass, 1901: A new generic name, new material, and its bearing on the early evolution of Sciuridae (Rodentia).
–Journal of Vertebrate Paleontology: Vol. 16, #4, pp. 775-780