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The class Mammalia is divided into two subclasses based on reproductive techniques: egg-laying mammals (yinotherians or monotremes - see also Australosphenida), and mammals which give live birth . The latter subclass is divided into two infraclasses: pouched mammals ( metatherians or marsupials ), and placental mammals ( eutherians , for which ...
This category contains articles about all taxa below the subclass/order Monotremata - the platypus, the echidnas, and extinct species which are only known via fossil evidence. Subcategories This category has the following 5 subcategories, out of 5 total.
Australia is home to two of the five extant species of monotremes and the majority of the world's marsupials (the remainder are from Papua New Guinea, eastern Indonesia and the Americas). The taxonomy is somewhat fluid; this list generally follows Menkhorst and Knight [ 1 ] and Van Dyck and Strahan, [ 2 ] with some input from the global list ...
Monotremes are typified by structural differences in their brains, jaws, digestive tract, reproductive tract, and other body parts, compared to the more common mammalian types. Although they are different from almost all mammals in that they lay eggs, like all mammals, the female monotremes nurse their young with milk.
Monotremes are mammals with a unique method of reproduction: they lay eggs instead of giving birth to live young. Two of the five known living species of monotreme occur in Australia: the platypus and the short-beaked echidna. The platypus — a venomous, egg-laying, duck-billed, amphibious mammal — is one of the strangest creatures in the ...
These Australian mammals are part of a mostly-extinct group of mammals known as monotremes that have some un-mammalish habits. For example, laying eggs! However, like other good mammal mothers ...
Koala Humpback whale. A total of 386 species of mammals have been recorded in Australia and surrounding continental waters: 364 indigenous and 22 introduced. [1] The list includes 2 monotremes, 154 marsupials, 83 bats, 69 rodents (5 introduced), 10 pinnipeds, 2 terrestrial carnivorans (1 recent introduction, and 1 prehistoric introduction), 13 introduced ungulates, 2 introduced lagomorphs, 44 ...
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