Tomkins and his team reconstructed an unusual rise in the number of meteorite impacts known as the Ordovician impact spike, ...

Manitoba is well-known for its fossil record, including the fossil-filled, world-famous Ordovician-aged Tyndall Stone and the ...

A recent study claims that Earth may have once had a ring. The theory would explain the presence of an odd density of impact craters around the equator dating back to the Ordovician period. A ring ...

Scientists recently unearthed fossils of strange ocean creatures that lived about 460 million years ago and were unlike any animal alive today.

The "Big Five" mass extinctions of the Phanerozoic Eon have long attracted significant attention from the geoscience community and the public. Among them, the Late Ordovician Mass Extinction (LOME ...

The fossilized time capsule from Castle Bank is from the middle of the Ordovician Period, about 462 million years ago.

Life in the Late Ordovician Four hundred and fifty (450) million years ago, during the Late Ordovician, most of Ohio was under water. At that time, the Oxford, Ohio area was part of a large inland sea ...

Caption Fig. 4: Cambrian and Ordovician trilobite body size (A) and their correlation to the inferred oxygen levels (B) and temperature (C). (B) Ocean redox conditions and widespread anoxic ...

The exhibit showcases its Late Ordovician fossil collection, which the Museum Center says is "regarded as one of the finest and largest in the world." The exhibit aims to recreate the Late ...

From the beginning of the Ordovician, marine life began its great radiation outward, which was characterized by the rapid appearance of new orders, families, and genera, together with the ...