Science ❯ Zoology

Mammalogy

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First Confirmed Egg From a Mammal Ancestor Found in 250-Million-Year-Old Fossil

Non-destructive X-ray scans of a South African fossil reveal an in-egg Lystrosaurus embryo, sharpening hypotheses about mammal reproductive origins.

Scientists Name Salwasiren qatarensis From Qatar’s Densest Sea Cow Fossil Bed

Landmark Study Chronicles 35-Million-Year Evolution and Extinction of Sloths