Marsupial mole

Phylogenetic tree of marsupials derived from retroposon data, showing placement of marsupial moles within Euaustralidelphia[9]

Marsupial moles are a family (Notoryctidae) of cladotherian mammals of the order Notoryctemorphia. They are rare and poorly understood burrowing mammals of the deserts of Western Australia, with an ancestry going back 20 million years or so. Once classified as monotremes, they are now thought to be marsupials. Their precise classification was for long a matter for argument, but there are considered to be only two extant species:

单词	Marsupial moles
释义	Marsupial moles 原声例句阿尔伯塔大学-恐龙古生物学 Examples include the mole, and the marsupial mole. 例子包括鼹鼠和有袋鼹鼠。英语百科 Marsupial mole Marsupial moles are a family (Notoryctidae) of cladotherian mammals of the order Notoryctemorphia. They are rare and poorly understood burrowing mammals of the deserts of Western Australia, with an ancestry going back 20 million years or so. Once classified as monotremes, they are now thought to be marsupials. Their precise classification was for long a matter for argument, but there are considered to be only two extant species:
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