The Great Extinctions (280 char version)
— Peter Brannen (@PeterBrannen1) November 8, 2017
CAMBRIAN:🌋?
ORDOVICIAN:❄️ then🌡️
MULDE: ❄️
LAU:❄️
TAGHANIC:🌡️
DEVONIAN:🌲? maybe🌋?
HANGENBERG:❄️
CAPITANIAN:🌋
PERMIAN:🌋
SMITHIAN-SPATHIAN:🌡️
CARNIAN:🌋
TRIASSIC:🌋
TOARCIAN:🌋
OAE2:🌋
CRETACEOUS:☄️,🌋?
NEXT?🙋♂️🏭? https://t.co/2lzLhWnuR4
via Twitter https://twitter.com/PeterBrannen1
November 08, 2017 at 11:46PM
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