Which is the earliest known mammal?Megazostrodon, which lived in Africa about 220 milion years ago, is the earliest known mammal. this insect eater was only 5 inches (12 cm) long and probably laid eggs like today's monotremes.
Mar 20, 2009
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Which is the earliest known mammal?Megazostrodon, which lived in Africa about 220 milion years ago, is the earliest known mammal. this insect eater was only 5 inches (12 cm) long and probably laid eggs like today's monotremes.
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