PERMIAN EXTINCN-GONE TRILOBITES,
SIBERIAN VOLCANOES-CO2, GREENHOUSE, H2S SUFFOCN, 9/10 SPECIES DIED OUT
PANGEA-
10 MY RECOVERY
WINNER-DINOSAUR- CONTD 150 MY
SIBERIAN VOLCANOES-CO2, GREENHOUSE, H2S SUFFOCN, 9/10 SPECIES DIED OUT
PANGEA-
10 MY RECOVERY
WINNER-DINOSAUR- CONTD 150 MY
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