Taxon - Links and literature
ASM Mammal Diversity Database 2.1 [1001676]
ASM Mammal Diversity Database [https://www.mammaldiversity.org/], American Society of Mammalogists [as Sciurus (Parasciurus) alleni E. W. Nelson, 1898]
Data retrieved on: 29 May 2025
IUCN Red List of Threatened Species 2024-1 [20004]
IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [as Sciurus alleni Nelson, 1898]
Data retrieved on: 29 January 2024
Wilson D. E., Reeder D. M. (editors) (2005): Mammal Species of the World (MSW). A Taxonomic and Geographic Reference (3rd ed) [http://www.bucknell.edu/msw3] [as Sciurus alleni Nelson, 1898]Data retrieved on: 5 December 2008
Paleobiology Database [51476]
Paleobiology Database [https://paleobiodb.org/] [as Sciurus alleni Nelson, 1898]
Data retrieved on: 13 December 2015