3 min read During the Ordovician period, part of the Paleozoic era, a rich variety of marine life flourished in the vast seas and the first primitive plants began to appear on land—before the ...

Amateurs, too, can look at local rocks to learn about what life was like in the Ordovician Period, 505 to 438 million years ago. Some of our area's unique geological features and the processes that ...

During the Ordovician Period, a time of significant changes for Earth’s life-forms, plate tectonics and climate, the planet experienced a peak in meteorite strikes. Nearly two dozen impact ...

Fortunately for us (though unlucky for the ancient arthropod), a previously undiscovered sea creature died in just the right ...

These rings seem to have existed during the Ordovician Period when the Earth's life forms and plate tectonics witnessed significant changes after a peak in meteorite strikes, a study published in ...

The glacial outwash then forms an outwash plain ... two-sided jigsaw blade. In life, the rhabadosome was suspended from a "float" by a slender thread called a nema. Late Ordovician Period - The ...

Scientists studying the geology of the Ordovician Period about 466 million years ago ... This causes the celestial body to break apart and potentially form a ring. Saturn has the most impressive ...