(Q6933856)
Statements
427 million years BCE
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Wikipedia(3 entries)
- arwiki حدث مولدي
- enwiki Mulde event
- nnwiki Mulde-hendinga
anoxic event causng mass extinctions, coinciding with a global drop in sea level, and is closely followed by an excursion in geochemical isotopes, during the Silurian period