Order Rodentia - Family Echimyidae 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 1575 1592 book chapter 0-8018-8221-4 10.5281/zenodo.7316535 Proechimys oconnelli J. A. Allen 1913 Proechimys oconnelli J. A. Allen 1913 , Bull. Am. Mus. Nat. Hist., 32 (24): 479 . Type Locality: Colombia , Villavicencio, 480 m . Vernacular Names: O'Connell's Spiny-rat . Distribution: C Colombia east of Cordillera Oriental. Conservation: IUCN – Lower Risk (lc). Discussion: Placed in the semispinosus group by Patton (1987) . Karyotype has 2n=32 and FN=52 ( Gardner and Emmons, 1984 ).