Research on fossilized fish from the late Devonian period, roughly 375 million years ago, details the evolution of fins as they began to transition into limbs fit for walking on land. Much of the ...

Limbs can be incredibly useful. Whether it’s the wing of a bat, the elongated leg of a hopping frog or our own grasping arms, limbs have been adapted to all sorts of ecosystems and functions through ...

Dec. 31 (UPI) --Before early marine species could make the transition to land, they had to develop tools for getting around out of the water. They needed limbs. Now, thanks to the discovery and study ...

A 400 million-year-old fossilized fin from a strange-looking, primitive fish is shedding light on how fins evolved into limbs that enabled animals to walk on land. The fossil fin comes from a ...

A 400 million-year-old fossil of a coelacanth fin, the first finding of its kind, fills a shrinking evolutionary gap between fins and limbs. The fossil shows that the ancestral pattern of lobed fins ...

To answer how animals made the transition from sea to land, scientists have traditionally looked to the fossil record. But in the past 30 years, scientists have searched for changes in genes that can ...

Many fish species evolved parts of their fins into sharp, spiny, needle-like elements -- called fin spines -- that function to protect the fish against predators. Such spines have evolved ...

Figure 1: Scanning electron micrographs of S. canicula embryos. Figure 3: Gene expression patterns of stage 27–28 S. canicula embryos. Figure 4: A, Series of pectoral appendages comparing the dogfish ...

Research on fossilized fish from the late Devonian period, roughly 375 million years ago, details the evolution of fins as they began to transition into limbs fit for walking on land. The new study by ...