Still Waters Posted October 18, 2013 #1 Share Posted October 18, 2013 Which came first: fangs or bony armour? For years, palaeontologists have thought that the first bones to emerge were teeth, and that the protective armour coverings of early fish, made of similar material, followed. But now, a study reveals that the truth is the other way around. http://www.nature.co...f-teeth-1.13964 Link to comment Share on other sites More sharing options...
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