Live Birth Origin: 90 Million Years Older Than We Thought! (2026)

The recent discovery of a 236-million-year-old cynodont fossil in Argentina has revolutionized our understanding of mammalian evolution. This fossil, belonging to Chiniquodon theotonicus, provides the earliest evidence of viviparity (live birth) in the evolutionary line leading to mammals, pushing back the origin of this reproductive strategy by as much as 90 to 95 million years. This finding challenges long-held assumptions and opens up exciting new avenues for exploration.

Live Birth Origin: 90 Million Years Older Than We Thought! (2026)
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