Researchers Crack Centuries-Old ‘Skeleton’ Mystery With Help of 550-Million-Yr-Old Fossils, Reveal What Ancient Animals ...

However, a close look at Cambrian-age (541 million years to 485 million years ago) fossils of Scalidophora, a subgroup of Ecdysozoa found in marine environments, has revealed the source of these ...

An international team of scientists has uncovered a fascinating piece of the evolutionary puzzle: how the ventral nerve cord, ...

The oldest fossils are remains of marine organisms that populated the planet's oceans. When they died, the plants and animals were buried by mud, sand, or silt on the sea floor. Land animals and ...

By studying fossils of the earliest mammals, scientists hope to unlock the secrets of how they rose to become super successful animals occupying every habitat on the planet. Duncan Mc Glynn ...

Both were worm-like animals about 2 centimetres long with long spines. The music-related monikers were originally pet names, says Sutton, because the spike-laden fossils were reminiscent of ...