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Bizarre, Prehistoric Ratfish Chomped Prey with Buzzsaw Jaws
Helicoprion had saws for jaws. That’s really all there was to the 270 million year old ratfish’s dental cutlery. No upper teeth or anything else to slice against – just an ever-growing whorl of spiky teeth anchored to the lower jaw.
Helicoprion had saws for jaws. That’s really all there was to the 270 million year old ratfish’s dental cutlery. No upper teeth or anything else to slice against – just an ever-growing whorl of spiky teeth anchored to the lower jaw.
Source: National Geographic
Posted on: Thursday, Sep 04, 2014, 7:44am
Views: 1225
Posted on: Thursday, Sep 04, 2014, 7:44am
Views: 1225
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