A Swarm of Helicoprion
Quick Desksketch
![Lots of Helicoprion](http://www.desksketch.com/wp-content/uploads/2014/08/helicoprion-460x354.jpg)
As all that has been found was a spiral of teeth, it is probably not all that surprising that there have been a number of different reconstructions of this one. Continue reading
As all that has been found was a spiral of teeth, it is probably not all that surprising that there have been a number of different reconstructions of this one. Continue reading