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There are currently 1260 genera, 156 families, 29 orders, and exactly 5877 species of described mammal, all in a single class. Using Groves and Grubbs' Taxonomy of Ungulates for the family Bovidae within Artiodactyla. The genus Bison is included within Bos in this classification and the genera Nyala (nyala), Strepsiceros (greater kudu), and Ammelaphus (lesser kudu) are all distinct genera from Tragelaphus (sitatunga, bushbuck, gedemsa or mountain nyala, and the bongo), this is supported by mtDNA. Many other recent advancements in mammal taxonomy have resulted in the description of new genera (Waiomys) and some genera have been combined (Uncia combined with Panthera), and other have been split (Niumbaha split from Glauconycteris).
Tenrecs (Tenrecidae) and Golden Moles (Chrysochloridae) are part of the African radiation of mammals known as Afrotheria, and there distribution consists of Sub-Saharan Africa and Madagascar. There are 54 species in 19 genera, 34 species are Tenrecs and Otter Shrews, and the other 20 species are Golden Moles. Tenrecs have a large diversity of species in Madagascar, with 31 species found there, while the 3 other species are found in the Central and West African Rain Forests. The 20 species of Golden Mole are found mostly in the East and South African Savannas and Desserts.