Order Rodentia - Family Cricetidae 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 2 955 1189 book chapter 0-8018-8221-4 10.5281/zenodo.7316535 Baiomys taylori (Thomas 1887) [Hesperomys] taylori Thomas 1887 , Ann. Mag. Nat. Hist., ser. 5, 19: 66 . Type Locality: USA , Texas , Duval Co., San Diego. Vernacular Names: Northern Pygmy Mouse . Synonyms: Baiomys allex (Osgood 1904) ; Baiomys analogus ( Osgood 1909 ) ; Baiomys ater Blossom and Burt 1942 ; Baiomys canutus Packard 1960 ; Baiomys fuliginatus Packard 1960 ; Baiomys paulus (J. A. Allen 1903) ; Baiomys subater (Bailey 1905) . Distribution: SE Arizona and SW New Mexico (see Stuart and Scott, 1992 ), SW Oklahoma (see Tumlison et al., 1993 ), and E Texas (see Roberts et al., 1997 ), USA , south to Michoacán , C Hidalgo , and C Veracruz , México . Conservation: IUCN – Lower Risk (lc). Discussion: Range expanding northwardly and westwardly in Texas and Oklahoma as documented by recent collections (L. Choate et al., 1990 ; L. Choate and Jones, 1998 ; Roberts et al., 1997 ; Tumlison et al., 1993 ). See Eshelman and Cameron (1987 , Mammalian Species, 285).