Fossils find may explain sea disaster
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EXCEPTIONALLY preserved fauna fossils has been found in east China’s Zhejiang Province, it was announced yesterday.
The fossils may help scientists to understand more about the seabed in the period around a mass extinction event that occurred at the end of the Ordovician period, around 443-445 million years ago.
The biota, discovered in Anji County in northern Zhejiang, contains more than 75 sponge species, many featuring preserved soft tissue. The sponges are believed to have played a part in the recovery of the ecosystem after the mass extinction — the first of the five big Phanerozoic extinction events. Around 85 percent of species alive at the time, which were mostly in the sea, were wiped out.
Archeologists have said the diversity of the Anji discovery is unprecedented.
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