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TOPICS:BiodiversityExtinctionExtinction EventGlobal Warming

LOME’s Twist: Ancient Mass Extinction Event May Not Be So Strange After All

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ByGHENT UNIVERSITYMAY 30, 2023

Contrary to the long-held belief that the Late Ordovician mass extinction event (LOME), which occurred 443 million years ago and eliminated about 85% of all species, was primarily caused by a short-lived ice age, a new study suggests that global warming also played a significant role.

The Late Ordovician mass extinction event (LOME) has long been viewed as odd compared to other mass extinction events in Earth’s history. Contrary to nearly all other major extinction phases known from the fossil record it appears to be instigated by an ice age. A new study, however, shows that the LOME was probably governed by mechanisms like those seen during most other events – including global warming.

Textbooks written during the last 50 years will tell you…