Tag: tetrapods
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Nation & World
‘Croco-salamander’ bones offer clues to how early animals emerged from water
A study overturns the long-held belief that ancient species grew at slow, steady pace, and offers insights into human maturation.
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Nation & World
Researcher connects the dots in fin-to-limb evolution
With an innovative technique called anatomical network analysis, clear patterns emerge that help solve the puzzle of how fins became limbs 420 million years ago.
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Nation & World
Retracing Romer’s footsteps
A Harvard team finds a rare fossil in Nova Scotia while retracing the footsteps of Alfred Romer, the paleontologist who identified a gap in the record from the period when animals first crawled out of the ocean and began to walk on four legs.
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Nation & World
Fin to limb
New research brings scientists closer to unraveling one of the longest-standing questions in evolutionary biology — whether limbs, particularly hind limbs, evolved before or after early vertebrates left the oceans for life on land.