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Tetrapoda : Mammalia

Tetrapoda : Mammalia. Mammals are: warm blooded air breathing bear live young have hair or fur sophisticated brains. Classes of Mammalia. MONOTREMES Monotremata. Duck-billed platypuses and spiny anteaters. MARSUPIALS Marsupialia. Kangaroos, wallabies, opossums, wombats, koalas.

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Tetrapoda : Mammalia

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  1. Tetrapoda : Mammalia • Mammals are: • warm blooded • air breathing • bear live young • have hair or fur • sophisticated brains

  2. Classes of Mammalia MONOTREMES Monotremata. Duck-billed platypuses and spiny anteaters. MARSUPIALS Marsupialia. Kangaroos, wallabies, opossums, wombats, koalas. PLACENTAL MAMMALS Insectivora (insect eaters). Shrews, moles, hedgehogs. Dermoptera. Colugos or flying lemurs. Chiroptera. Bats. Primates. Tree shrews, lemurs, monkeys, marmosets, great apes, humans. Edentata. Sloths, armadillos, anteaters. Pholidota. Pangolins or scaly anteaters. Lagomorpha. Hares, rabbits, pikas Rodentia (gnawers). Mice, rats, squirrels, porcupines, beavers. Cetacea. Dolphins, porpoises, whales. Carnivora (flesh eaters). Cats, dogs, bears, weasels, hyenas, racoons, badgers. Pinnipedia. Seals, sea lions, walruses. Tubulidentata. Aardvarks. Proboscidea. Elephants. Hyracoidea. Hyraxes, dassies. Sirenia. Manatees, sea cows, dugongs. Perissodactyla (odd-toed hoofed animals). Horses, asses, zebras, tapirs, rhinoceroses. Artiodactyla (even-toed hoofed animals). Pigs, cattle, sheep, goats, antelopes, alpacas, camels, deer, giraffes, hippopotamuses.

  3. Mammalia: Tetrapoda: Monotreme • Native only to Tasmania and eastern and southern Australia, the platypus is the sole member of the mammal family Ornithorhynchidae. • It is one of two animals that form the order Monotremata (egg-laying mammals), the other being Australia's spiny anteater. • The platypus, also known as the duckbill, watermole, or duckmole, is a shy, reclusive animal that lives near lakes and streams. • The female has no nipples; instead, milk oozes through slits in her abdomen where it is licked up by the young.

  4. Tetrapoda: Mammalia: Marsupials • Mammals that carry their young in an abdominal pouch during their early development are called marsupials. Soon after the marsupial ovum, or egg, is fertilized, the young are born in a premature state and crawl into the mother's pouch. There, nursing on milk from their mother's nipples, they complete their development. Opossum

  5. Mammalia: Tetrapoda: Placental Mammals

  6. Mammalia: Insectovora and Dermoptera Shrew Mole Insectivora (insect eaters). Shrews, Dermoptera. Colugos or flying lemurs. moles, hedgehogs.

  7. Mammalia: Chiroptera and Primates Chiroptera. Bats. Primates. Tree shrews, monkeys, marmosets, great apes, humans.

  8. Mammalia: Edentata and Pholidita Pholidota. Pangolins or scaly anteaters Entirely covered with large, brown, overlapping scales, the pangolin is well protected against predators. When threatened, the pangolin rolls into a tight ball, causing the sharp, free edges of the scales to rise. Pangolins eat ants and termites, which they lap up with their long, sticky tongues Edentata. (toothless) Sloths, armadillos, anteaters .

  9. Mammalia: Lagomorpha and Rodentia Lagomorpha. Hares, rabbits, pikas, plant-eating mammals characterized by a short tail and two pairs of upper incisors, one behind the other. Rodentia (gnawers). Mice, rats, squirrels, porcupines, beavers.

  10. Mammalia: Cetacea Cetacea. Dolphins, porpoises, whales, nearly hairless, fishlike water mammals, lacking external hind limbs, but having paddlelike forelimbs.

  11. Mammalia: Carnivora Carnivora (flesh eaters). Cats, dogs, bears, weasels, hyenas, racoons, badgers.

  12. Mammalia: Pinnipedia and Tubulidenta Aardvarks are classified in an order by themselves, the Tubulidentata, meaning "tube-toothed." The tubular teeth are without enamel or roots. Pinnipedia. (finned feet) Seals, sea lions, walruses.

  13. Mammalia: Proboscidea and Hyracoidea . Hyracoidea. Hyraxes, dassies • The hyrax looks similar to a large rabbit, but is actually more closely related to horses and elephants. It is found in Africa and parts of the Middle East. • Proboscidea. Elephants, large mammals having tusks and a long, flexible, tubelike snout

  14. Mammalia: Sirenia • The manatee is a slow-moving, seal-shaped mammal that lives in shallow coastal waters or rivers with rich plant growths. Manatees frequently communicate by muzzle-to-muzzle contact and, when alarmed, emit chirpy squeaks. All three species the Caribbean, Amazonian, and African manatees are declining in population because they have been heavily hunted. Adults may grow to lengths of 15 feet (4.6 meters). They are stout, thick-skinned, and almost hairless with a broad, shovellike tail. They have only one pair of limbs weak front flippers which they use to push algae, such as seaweed and other water plants toward their mouths.

  15. Mammalia: Perissodactyla Tapir Kiangs Zebra Perissodactyla (odd-toed hoofed animals). Horses, asses, zebras, tapirs, rhinoceroses.

  16. Mammalia: Artiodactyla Artiodactyla (even-toed hoofed animals). Pigs, cattle, sheep, goats, antelopes, alpacas, camels, deer, giraffes, hippopotamuses.

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