Saturday, October 19, 2013

Behold, the MONSTER-CLAWED critter and its terrifying SPIDER BRAIN

The massively clawed beast is an example of a megacheiran, an extinct group of creatures related to modern day chelicerates, which include spiders and scorpions.
water spider fossil
This marine spider provides evidence that the ancestors of scorpions and spiders branched off from other arthropods, including insects, crustaceans and millipedes, more than half a billion years ago.

Source: Here

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