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Latest Cephalaspidomorphi Stories

2011-07-07 00:38:56

More than 99 per cent of modern vertebrates (animals with a backbone, including humans) have jaws, yet 420 million years ago, jawless, toothless armour-plated fishes dominated the seas, lakes, and rivers.


Word of the Day
bowerly
  • Large; stout; burly.
The word 'bowerly' is an alteration of 'burly'.