Over half a billion years ago, during the Cambrian geological period, life on Earth started to get a lot more interesting. Thanks to the rise in free oxygen generated mostly by photosynthesizing algae ...
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 vast ...
Hispanosinuites peeli new genus and species from the Lower Oretan shales (Middle Ordovician) of central Spain is described and placed in the new subfamily Hispanosinuitinae of the family Sinuitidae.
ANDREW D. HAWKINS, HUAIBAO P. LIU, DEREK E. G. BRIGGS, A D. MUSCENTE, ROBERT M. MCKAY, BRIAN J. WITZKE and SHUHAI XIAO The Winneshiek Lagerstätte occurs within an Ordovician meteorite impact structure ...
A systematic re-evaluation of China’s Ordovician tectonic architecture, published in the Journal of Palaeogeography (Chinese Edition), proposes a refined model dividing the region into four ...
CINCINNATI — Visitors to the Cincinnati Museum Center can now experience a new, permanent exhibit offering a peek into a world that existed 450 million years ago. The exhibit addition, Ancient Worlds ...
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