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Kangaroo joey inside the pouch Female eastern grey kangaroo with mature joey in pouch. The pouch is a distinguishing feature of female marsupials and monotremes, [1] [2] [3] and rarely in males as well, such as in the yapok [4] and the extinct thylacine.
The term "opossum" is used to refer to American species (though "possum" is a common abbreviation), while similar Australian species are properly called "possums". Isolated petrosals of Djarthia murgonensis , Australia's oldest marsupial fossils [ 68 ] Dentition of the herbivorous eastern grey kangaroo, as illustrated in Knight's Sketches in ...
The latter subclass is divided into two infraclasses: pouched mammals (metatherians or marsupials), and placental mammals (eutherians, for which see List of placental mammals). Classification updated from Wilson and Reeder's "Mammal Species of the World: A Taxonomic and Geographic Reference" using the "Planet Mammifères" website. [1]
The second subclass is divided into two infraclasses: pouched mammals (the marsupials) and placental mammals. 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 Phascolarctidae (φάσκωλος (phaskolos) - pouch or bag, ἄρκτος (arktos) - bear, from the Greek phascolos + arctos meaning pouched bear) is a family of marsupials of the order Diprotodontia, consisting of only one extant species, the koala, [1] and six well-known fossil species, with another six less well known fossil species, and two fossil species of the genus Koobor, whose ...
A mammal (from Latin mamma 'breast') [1] is a vertebrate animal of the class Mammalia (/ m ə ˈ m eɪ l i. ə /).Mammals are characterised by the presence of milk-producing mammary glands for feeding their young, a broad neocortex region of the brain, fur or hair, and three middle ear bones.
The class Mammalia is divided into two subclasses based on reproductive techniques: monotremes, which lay eggs, and therians, mammals which give live birth, which has two infraclasses: marsupials/metatherians and placentals/eutherians. See List of monotremes and marsupials, and for the clades and families, see Mammal classification ...
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 ...