A trove of fossils in China, unearthed in rock dating back some 436 million years, have revealed for the first time that the mysterious galeaspids, a jawless freshwater fish, possessed paired fins.

A trove of fossils, unearthed in rock from China dating back some 436 million years, has revealed for the first time that the mysterious galeaspids, members of an extinct clade of jawless fish, ...

How did digits evolve? While it is clear that they derive from genetic programs already present in fish, their precise origin remains a matter of debate. An international team led by the University of ...

Learn more about the evolution of human fingers and toes, which originate from the genetic programming for a multipurpose orifice in fish. Fins, fingers, and toes. Though they might seem similar, it ...

Humans—and the rest of earth’s four-legged land-dwellers—have their fish ancestors to thank for their hands and feet. We’ve long known that limbs evolved from the fins of ancient fish, but the details ...

They say two heads are better than one. But in the world of fish, it appears two fins are better than one. Researchers have produced a theoretical model that demonstrates the underlying mechanisms ...