Order Rodentia - Family Muridae 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 1189 1531 book chapter 0-8018-8221-4 10.5281/zenodo.7316535 Uromys (Cyromys) imperator Thomas 1888 Uromys (Cyromys) imperator Thomas 1888 , Ann. Mag. Nat. Hist., ser. 6, 1: 157 . Type Locality: Solomon Isls, Guadalcanal Isl, Aola. Vernacular Names: Emperor Uromys . Distribution: Endemic to Guadalcanal Isl. Conservation: IUCN – Extinct. May be extinct (see Flannery, 1991; Groves and Flannery, 1994 ). Discussion: Subgenus Cyromys . Type species of Cyromys ; historically assigned to either genus Uromys or Cyromys , but is now regarded as a member of the former ( Flannery and Wickler, 1990 ; Groves and Flannery, 1994 ). Known only by a few historical and archaeological specimens (Flannery, 1991; Groves and Flannery, 1994 ). Closest relative is apparently U. rex , also endemic to Guadalcanal Isl. Reviewed by Flannery (1995 b ).