Wednesday, October 25, 2006

Anonymous has sent us this query...

I have been told that there are creatures called pseudoscorpions, that look like real scorpions without the tail. Can you please tell me when and where the earliest forms of these creatures are from?

Pseudoscorpions do indeed look a bit like scorpions without the sting, but are probably most closely related to the quite large and very quick solifugids (also called sun spiders or wind spiders [pictured]). Pseudoscorpions are a group with a poor fossil record (they are very small and would easily be overlooked), and most of the ones we have are preserved in amber. However, the earliest fossil forms are known from the Middle Devonian (ca 390 million years) of Gilboa, New York State.

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