monotreme meaning in Hindi

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Ausktribosphenidae and monotremes have been assigned to the larger group Australosphenida.
The construction of the lower jaw differs from existing monotremes.
For example, all gargoyle females lay eggs just as monotremes do.
All mammals, besides monotremes gestate in their mother's womb.
There were also echidnas ( one of two species of monotremes ).
The existing monotreme species are the platypus and four species of echidnas.
Platypuses and two genera of echidna are Australian monotremes.
An age of approximately 123 million years makes this the earliest known monotreme.
The monotremes have a sex determination system different from that of most other mammals.
The modern platypus, a monotreme, appeared.

noun.

the most primitive mammals comprising the only extant members of the subclass Prototheria
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