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Pretty glad the 9 foot long Arthopleura centipede went extinct 300 million years ago. No one wants to deal with that thing.

We've still got this:

Thankfully they don't live on land.

That's fresh nightmare fuel all right

Not really bothered by snakes, sharks or spiders. But those things (and cave centipedes) look terrifying.

It was a millipede, not a centipede, which probably ate fungi or decaying plants.

So it was not a dangerous predator, though it could have been poisonous, like many modern millipedes.