Class [Mammalia] Linnaeus, 1758 - mammals Order Lagomorpha Brandt, 1855 - lagomorphs Family Leporidae Batsch, 1788 - hares and rabbits Genus Sylvilagus Gray, 1867 - cottontails Sylvilagus nuttalli - Nuttall's cottontail see Sylvilagus nuttallii (Bachman, 1837)