Geologist analyzes earliest shell-covered fossil animals
Thursday, October 22, 2009 - 09:35
in Paleontology & Archaeology
The fossil remains of some of the first animals with shells, ocean-dwelling creatures that measure a few centimeters in length and date to about 520 million years ago, provide a window on evolution at this time, according to scientists. Their research indicates that these animals were larger than previously thought.
