Class Mammalia Linnaeus, 1758 - mammals Subclass Theria Parker & Haswell, 1897 Order Lagomorpha Brandt, 1855 - lagomorphs Family Leporidae Batsch, 1788 - hares and rabbits Genus Romerolagus Merriam, 1896 - volcano rabbit 1 Romerolagus diazi (Ferrari-Pérez, in Diaz, 1893) - volcano rabbit