Mammal Taxonomy
Class Mammalia
               Subclass Prototheria
                                             Order Monotremata (Platypus/Echidna)
               Subclass Theria
                              Infraclass Metatheria (Marsupials)
                                             Order Didelphimorpha (Opossums)
                                             Order Paucituberculata (Caenolestids)
                                             Order Microbiotheria (Monito del Monte)
                                             Order Dasyuromorphia (Numbat/Marsupial Mice/Tasmanian Devil etc.)
                                             Order Peramelemorphia (Bandicoots/Bilbies)
                                             Order Diprotodontia (Koala/Wombats/Cuscuses/Gliders/Kangaroos etc.)
                                             Order Notoryctemorphia (Marsupial "Moles")
                              Infraclass Eutheria (Placental Mammals)
                                             Order Insecitvora (Shrews/Moles/Desmans/Hedgehogs/Tenrecs/Solenodons)
                                             Order Dermoptera (Colugos)
                                             Order Chiroptera (Bats)
                                             Order Scandentia (Tupaiids)
                                             Order Primates (Primates)
                                             Order Xenarthra (Sloths/Armadillos/Anteaters)
                                             Order Pholidota (Pangolins)
                                             Order Carnivora (Carnivores)
                                             Order Cetacea (Whales/Dolphins/Porpoises)
                                             Order Macroscelidea (Macroscelideans)
                                             Order Lagomorpha (Rabbits/Hares/Pikas)
                                             Order Rodentia (Mice/Rats/Voles/Squirrels etc.)
                                             Order Tubulidentata (Aardvark)
                                             Order Proboscidea (Elephants)
                                             Order Hyracoidea (Hyraxes)
                                             Order Sirenia (Manatees/Dugong)
                                             Order Perissodactyla (Horses/Rhinos/Tapirs)
                                             Order Artiodactyla (Pigs/Camels/Deer/Antelope/Goats/Sheep etc.)