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Related articles:
Echidna
Platypus
Mammal
Short-beaked Echidna
Metatheria
Eutheria
Marsupial
Cloaca
Molar (tooth)
Theria
Australia
Corpus callosum
New Guinea
Key terms: monotremes mammals fossil platypus echidna species genus zaglossus jaw temperature marsupials aculeatus other mammals placental mammals opening million years old rather than oldest young million years ago molar egg french island cloaca evidence bones mammalian miocene separate specimen recent thought suggests Search external links cited by footnotes on Wikipedia page Monotreme: |
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