Learn more about the time period that took place 488 to 443 million years ago. 3 min read During the Ordovician period, part of the Paleozoic era, a rich variety of marine life flourished in the ...
Scientists in China have just dug up 500-million-year-old embryos that will help us understand the developmental biology of ...
The earliest fossil evidence for sharks or their ancestors are a few scales dating to 450 million years ago, during the Late Ordovician Period. Emma Bernard, a curator of fossil fish at the Museum, ...
But first there was a period of biological regrouping following the disastrous climax to the Ordovician. The recovery soon got under way in the oceans as climbing temperatures and rising sea ...
Seeing my son off to school at Foxfield Station on a morning in January, I was struck by the look of the mountains in the ...
The oldest echinoids come from the Late Ordovician Period and are approximately 450 million years old. The closest sister group to the echinoids are the holothurians and the two groups must have ...
Scientists use the evidence recorded within rocks throughout geologic time to reconstruct a picture of earth's history. Amateurs, too, can look at local rocks to learn about what life was like in the ...
Institute of Paleobiology, Polish Academy of Sciences, Twarda 51/55, 00-818, Warszawa, Poland. Faculty of Biology, Institute of Evolutionary Biology, Biological and Chemical Research Centre, ...