Tag Archives: Geologic History

A fossil of tabulate coral from just before the end of the Permian period, when it, along with 96 percent of marine species, went extinct.
c. 252 Million BCE: The Great Dying – Earth’s Largest Mass Extinction

Discusses The Great Dying, the largest mass extinction event around 252 million years ago, which wiped out approximately 96% of ocean species and 70% of land vertebrates, with various hypotheses about its causes and its [...]