Friday, December 11, 2020

Mass extinctions of land-dwelling animals occur in 27-million-year cycle

Mass extinctions of land-dwelling animals--including amphibians, reptiles, mammals, and birds -- follow a cycle of about 27 million years, coinciding with previously reported mass extinctions of ocean life, according to a new analysis.

from Latest Science News -- ScienceDaily https://ift.tt/341jV9A
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