LATE ORDOVICIAN (HIRNANTIAN) EXTINCTION EVENT Flashcards
1
Q
super continent in the late ordovician period
A
godwana located on the south pole durin late ordovicain
2
Q
causes of the late ordovician extinction event
A
glaciers & gamma ray burst hypothesis
3
Q
cause of the late ordovician extinction event: glaciers
A
massive glaciers formed casuing sea level to drop
like to have caused mass extinction at end of ordovician in which 60% of all marine invertebrate genera and 25% of all families went extinct