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(Reuters) - Scientists in Australia have unearthed beautifully preserved fossilized hearts and other internal organs of ancient armored fish in a discovery that provides insight into the evolution of ...

Queensland Museum scientists have described a 400-million-year-old fossil, which is possibly the smallest vertebrate fossil animal known from Queensland—Palaeospondylus australis. Details about this ...

Vertebrates are defined as all animals that possess a vertebral column, or backbone. Most living vertebrates also possess jaws, teeth and paired fins or limbs. Fossils of the earliest vertebrates help ...

A new Nature study using sturgeon backbones as material analogues shows that the first land vertebrates had far stiffer, less ...

A 410-million-year-old armored fish from Yunnan, China, pushes back the fossil record of euantiarchs by 10 million years and ...

Add Yahoo as a preferred source to see more of our stories on Google. The fossilized skull of Coccocephalus wildi, an early ray-finned fish that swam in an estuary 319 million years ago.Jeremy ...

Early jawless fish were likely to have used bony projections surrounding their mouths to modify the mouth's shape while they collected food. Experts have used CT scanning techniques to build up the ...

Scientists yesterday reported discovering an evolutionary "missing link" between fish and land animals -- an ancient, river-dwelling predator with arm joints in its fins, an alligator-like head and ...

A 319-million-year-old fossilized fish, which revealed the "oldest example of a well-preserved vertebrate brain," offers new insights into the evolution of early bony fish, researchers found in a new ...