Order Rodentia - Family Sciuridae Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2 754 818 book chapter 0-8018-8221-4 10.5281/zenodo.7316535 Sciurus (Sciurus) vulgaris subsp. orientis Thomas 1906 Discussion: Oshida et al. (1993) and Oshida and Yoshida (1997) described chromosomes of S. v. orientis .