Order Soricomorpha 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 1 220 311 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Sorex (Otisorex) leucogaster Kuroda 1933 Sorex (Otisorex) leucogaster Kuroda 1933 , Bull. Biogeogr. Soc. Japan , 3 (3): 155 . Type Locality: Russia , Paramushir Isl; given by Ellerman and Morrison-Scott (1951:48) as "Nasauki, Amamu-shiru, 200 ft. [ 61 m ], North Kurile Islands". Vernacular Names: Paramushir Shrew . Synonyms: Sorex (Otisorex) beringianus Yudin 1967 . Distribution: Probably confined to Paramushir Isl, south of Kamchatka Peninsula . Conservation: IUCN – Vulnerable. Discussion: Subgenus Otisorex , S. cinereus group ( Demboski and Cook, 2003 ). Karyotype has 2n = 66, FN = 70. Formerly included in cinereus or gracillimus ( Corbet, 1978 c ) ; includes beringianus Yudin, 1967 . On the status, authorship and valid date of publication see Pavlinov and Rossolimo (1987) . Related to jacksoni and ugyunak ( van Zyll de Jong, 1982 , 1991 b ).