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RE: Giant Paleozoic arthropods (was Re: Information)


>>On a non Dinosaurian note I would like some information about an
>>scorpion I have heard about that was three feet long!

>Well, the sea scorpions (which actually were probably fresh water
>and could move on land) got over six feet!.

The aquatic Sea Scorpions were not true scorpions, they were chelicerates
whose closest modern relatives are the horseshoe crabs. The Carboniferous
Pulmonoscorpius kirktonensis was a true scorpion that appears to have
adapted to a terrestrial burrowing existance and reached lengths of about
70cm (not quite three feet but close!). It comes from the famous East
Kirkton Limestone that also produced "Lizzy the lizard".