Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Lagomorpha Brandt, 1855 - lagomorphs
       Family Leporidae Batsch, 1788 - hares and rabbits
         Genus Sylvilagus Gray, 1867 - cottontails
           Subgenus Tapeti Gray, 1867
             Sylvilagus brasiliensis (Linnaeus, 1758) - forest rabbit
               01 [Sylvilagus brasiliensis brasiliensis]ᵀ (C. Linnaeus, 1758)
               02 Sylvilagus brasiliensis andinus (Thomas, 1897)
               03 Sylvilagus brasiliensis apollinaris Thomas, 1920
               04 Sylvilagus brasiliensis capsalis Thomas, 1913
               05 Sylvilagus brasiliensis caracasensis Mondolfi & Méndez Aroche, 1957
               06 Sylvilagus brasiliensis chillae Anthony, 1957
               07 Sylvilagus brasiliensis chotanus Hershkovitz, 1938
               08 Sylvilagus brasiliensis defilippi (Cornalia, 1850)
               09 Sylvilagus brasiliensis fulvescens J. Allen, 1912
               10 Sylvilagus brasiliensis gibsoni Thomas, 1918
               11 Sylvilagus brasiliensis inca Thomas, 1913
               12 Sylvilagus brasiliensis kelloggi Anthony, 1923
               13 Sylvilagus brasiliensis meridensis Thomas, 1904
               14 Sylvilagus brasiliensis minensis Thomas, 1901
               15 Sylvilagus brasiliensis paraguensis Thomas, 1901
               16 Sylvilagus brasiliensis peruanus Hershkovitz, 1950
               17 Sylvilagus brasiliensis sanctaemartae Hershkovitz, 1950
               18 Sylvilagus brasiliensis surdaster Thomas, 1901
               19 Sylvilagus brasiliensis tapetillus Thomas, 1913
               20 Sylvilagus brasiliensis gabbi (J. Allen, 1877)
               21 Sylvilagus brasiliensis truei (J. Allen, 1890)