Sciurus alleni Nelson, 1898. Proc. Biol. Soc. Wash., 12: 147. TYPE LOCALITY: Mexico, Nuevo Leon, Monterrey. DISTRIBUTION: S. E. Coahuila through C. Nuevo Leon, south through W. Tamaulipas to extreme N. San Luis Potosi (Mexico). COMMENT: Subgenus Sciurus; see Hall, 1981:430. ISIS NUMBER: 5301410002030002001.

Published as part of James H. Honacki, Kenneth E. Kinman & James W. Koeppl, 1982, Order Rodentia (Part 1), pp. 345-382 in Mammal Species of the World (1 st Edition), Lawrence, Kansas, USA :Alien Press, Inc. & The Association of Systematics Collections on page 363, DOI: 10.5281/zenodo.7353023

{"references": ["Hall, E. R. 1981. The mammals of North America. Second ed. John Wiley and Sons, New York, 1: 1 - 600 + 90, 2: 601 - 1181 + 90."]}