Class Mammalia Linnaeus, 1758 - mammals Subclass Theria Parker & Haswell, 1897 Order Hyracoidea Huxley, 1869 - hyraxes Family Procaviidae Thomas, 1892 - hyraxes Genus Dendrohyrax Gray, 1868 - tree hyraxes Dendrohyrax dorsalis (Fraser, 1854[1855]) - Beecroft's tree hyrax Dendrohyrax dorsalis nigricans (Peters, 1879)