Latest Halkieria Stories

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.John Moore, a Ph.D. student in the Department of Earth Science at UC Santa Barbara, and his collaborators, analyzed fossils from the epoch called the Early Cambrian. During this...