Some 445 million years ago, life on Earth was forever changed. During the geological blink of an eye, glaciers formed over ...
A pair of 'Sacabambaspis' fish, around 14 inches (35 centimeters) in length, which had distinct, forward-facing eyes and an ...
About 445 million years ago, Earth nearly wiped out life in the oceans. Glaciers spread across the supercontinent Gondwana, ...
Discover how the first mass extinction put jawed fishes on the map, species that would later come to dominate animal life on ...
The fall in jawless vertebrates coincides with the rise of jawed vertebrates following the two pulses of the Late Ordovician ...
Earth’s first mass extinction: When anyone thinks of mass extinction on Earth, the first thing they think of is the extinction of dinosaurs about 66 million years ago, likely as an impact of comet or ...
Yan, M. and Wang, H. (2026) Seismic Forward Modeling of the Lower Ordovician in the Northwestern Sichuan Basin. Journal of ...
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