Order Lagomorpha 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 1 185 211 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Sylvilagus (Sylvilagus) graysoni J. A. Allen 1877 Sylvilagus (Sylvilagus) graysoni J. A. Allen 1877 , in: Coues and Allen, Monogr. N. Am. Rodentia (U. S. Geol. Geograph. Survey Terr., Rep.) , Vol. 11: 347 . Type Locality: According to Nelson (1899 a :16) , "Tres Marias Islands," "undoubtedly from Maria Madre" Isl, Nayarit , Mexico . Vernacular Names: Tres Marias Cottontail . Synonyms: Sylvilagus (Sylvilagus) badistes Diersing and Wilson 1980 . Distribution: Tres Marías Isls, Nayarit ( Mexico ). Conservation: IUCN – Endangered. Discussion: Subgenus Sylvilagus ( Gureev, 1964:168 ) . An insular species probably derived from cunicularius of the adjacent mainland; see Diersing and Wilson (1980) and Hall (1981:314) . Reviewed by Cervantes (1997, Mammalian Species, 559).