Taghanic event

[2][3][4] The reduced oxygen levels resulted from a period of global warming caused by Milankovitch cycles.

[5] After the Taghanic Event, sea life recovered in the Frasnian faunal stage starting 382.7 million years ago.

[6][5][7] The Taghanic event at the Givetian/Frasnian boundary caused many extinctions, including the disappearance of about 50% of coral genera.

The Mahantango Formation in Pennsylvania, West Virginia, and Maryland also record the Taghanic event.

The Taghanic event has been found in Tafilalt, Morocco in the eastern Anti-Atlas mountain range.