Order Rodentia - Family Heteromyidae 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 2 844 858 book chapter 0-8018-8221-4 10.5281/zenodo.7316535 Heteromys oresterus Harris 1932 Heteromys oresterus Harris 1932 , Occas. Pap. Mus . Zool., Univ. Michigan , 248: 4 . Type Locality: Costa Rica , Cordillera de Talamanca, El Copey de Dota, 6,000 ft. ( 1,829 m ). Vernacular Names: Mountain Spiny Pocket Mouse . Distribution: Talamanca Range of Costa Rica . Conservation: IUCN – Lower Risk (nt). Discussion: Hall (1981) placed oresterus in the subgenus Xylomys but Rogers (1989 , 1990 ) presented evidence that oresterus was not closely related to nelsoni , the type species of Xylomys . Reviewed by Rogers and Rogers (1992 a , Mammalian Species No. 396).