Mammals
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From Urantia Wiki, the encyclopedia of The Urantia Book
Also: Mammalian.
The first appearance of nonplacental mammals on Urantia failed. 60:1.11
Mammals possess immense survival advantages due to basic instincts manifested in primitive types. 61:1.3
45 million years ago, small egg-laying reptilian mammals flourished as continental backbones were elevated and coastlines sank, leading to rapid mammalian evolution. 61:1.9
The placental mammals sprang from an agile little dinosaur, evolving rapidly into various forms including marine and air navigators. 61:1.2 61:2.2 65:2.12
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Mammals is linked in 3 paragraphs of the text.