Class Mammalia Linnaeus, 1758 - mammals Subclass Theria Parker & Haswell, 1897 Order Macroscelidea Butler, 1956 - elephant shrews Family Macroscelididae Bonaparte, 1838 - elephant-shrews Genus Petrodromus Peters, 1846 - forest elephant shrew 1 Petrodromus tetradactylus Peters, 1846 - four-toed elephant-shrew