Spiders' ancient big-clawed relatives

The ancient world was full of strange animals that have gone extinct, such as a group of marine species with claw-like structures emerging from their heads. A new study suggests that these creatures were related to spiders and scorpions.



via CNN.com - Top Stories http://edition.cnn.com/2013/10/16/world/asia/spider-claw-discovery/index.html?eref=edition