Mammalian Classification. Class Mammalia. Subclass Prototheria- extinct mammals with unique skull structure Subclass Theria- Living mammals distinguished by skull Infraclass Ornithodelphia- Monotremes Infraclass Metatheria- Marsupials Infraclass Eutheria- Placentals. Order Monotremata.
swimming or digging
Order DidelphimorphiaOpossumsOrder PaucituberculataRat OpossumsOrder MicrobiotheriaMonito del monteOrder DasyuromorphiaThylacines, numbats,
dasyuresOrder PeramelemorphiaBandicootsOrder NotoryctemorphiaMarsupial moleOrder DiprotodontiaKoalas, wombats,
They attach themselves to milk secreting nipples nursing until they are mature enough to survive outside the pouch.
Order Didelphimorphia- Opossum
Malaysian Fruit Bat
Double row of incisors, large front teeth backed with two smaller ones, adaptation for herbivorous diet.
Edentates have adaptations for insectivorous diets, including a long, sticky tongue and clawed front paws
Anteater feeding at a Termite mound
Sloths, on the other hand have continuously growing teeth as an adaptation for grinding plants
The Order Sirenia is made up of four species of manatees and dugongs.
- Ungulates with an odd number of toes
- Horses, rhins, zebras, and tapirs