Ordovician reefs were also home to large sea lilies, relatives of sea stars. Anchored to the bottom inside calcareous tubes, they collected food particles with feathery arms that waved in the ...

The Late Ordovician period, ending 444 million years ago, was marked by the onset of glaciations. The expansion of non-vascular land plants accelerated chemical weathering and may have drawn down ...

The Ordovician Radiation, also called the Great Ordovician Biodiversification Event (GOBE), saw a quadrupling of diversity at the genus level (that's the category one step above species).

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

Energy Exploration & Exploitation Vol. 38, No. 6, November 2020 Genesis of dolomite in the upper assemblage of the Ordovician Majiagou Formation in the southeastern Sulige gas field, Ordos Basin, ...

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 ...

If you were to look up from Earth some 466 million years ago, you might have seen a gleaming ring stretching across the sky, some scientists say.

JUST over half a billion years ago, evolution hit a purple patch. In the space of a few million years, once-empty seas were suddenly overrun by all manner of newfangled life forms. Animals had ...

Anqing Chen 1,23, Shenglin Xu 12, Shuai Yang 12, Hongde Chen 12, Zhongtang Su 12, Yijiang Zhong 1,24, Sihan Hu 2, Ordovician deep dolomite reservoirs in the intracratonic Ordos Basin, China, Energy ...

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