🐚➡️🐟➡️🐸➡️🦎💥

#paleozoic era #progression of life #cambrian explosion #permian extinction #the great dying #mass extinction #ancient life

🔥🌋💀📉

#permian extinction #the great dying #mass extinction #siberian traps #End-Permian #paleozoic era

🏜️➡️💀🌋

#pangea climate #permian extinction #the great dying #End-Permian #paleozoic era