This 100 Million-Year-Old Snake Had Legs, but Cheekbone Provides Critical Insight Into Evolution

An ancient snake’s cheekbone sheds light on evolution of modern snake skull: 100-million-year old legged snake fossil provides critical insight into how the heads of modern snakes evolved.

Source: This 100 Million-Year-Old Snake Had Legs, but Cheekbone Provides Critical Insight Into Evolution

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