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- #201
Then why don't you find us a source that agrees with you?Maybe you just keep looking in all the wrong places, maybe the internet isn't so good a source of information, or maybe these people just aren't the experts you (and they) believe. In either regard, I dare you to prove a single item on my list wrong or inaccurate. My guess is that they miss or don't count the extinction 2.1 billion years ago during the Huronian having wiped out near all anaerobic life (the then predominant life on Earth) because they are simply going by a different standard.
You should take my list and do a little research on all of them , you will find them all quite factual.
Or maybe they are discounting the Cretaceous Extinction because it was caused by a combination of the Chicxulub impactor + the Deccan Traps.
Either way, there have been SIX mass extinctions.