Episode 033: Dunkleosteus, Helicoprion, and their weird-toothed friends




Strange Animals Podcast show

Summary: <p>This week we’ll learn about some terrifying extinct fish, the armored dunkleosteus and the spiral-toothed helicoprion, plus a few friends of theirs who could TEAR YOU UP.</p> <p>Dunkleosteus did not even need teeth:</p> <p><img class="alignnone size-medium wp-image-316" src="http://strangeanimalspodcast.com/wp-content/uploads/2017/09/Dunk-673x350-300x156.jpg" alt="" width="300" height="156"></p> <p>Helicoprion had teeth like crazy in a buzzsaw-like tooth whorl:</p> <p><img class="alignnone size-medium wp-image-317" src="http://strangeanimalspodcast.com/wp-content/uploads/2017/09/1200px-Helicoprion_tooth_whorl-300x292.jpg" alt="" width="300" height="292"></p> <p>Helicoprion’s living relatives, chimaeras (or ghost sharks) are a lot less impressive than they sound:</p> <p><img class="alignnone size-medium wp-image-318" src="http://strangeanimalspodcast.com/wp-content/uploads/2017/09/chimaera-300x169.jpg" alt="" width="300" height="169"></p> <p>Helicoprion probably looked something like this:</p> <p><img class="alignnone size-medium wp-image-319" src="http://strangeanimalspodcast.com/wp-content/uploads/2017/09/819_helicoprion_steve_white-300x213.jpg" alt="" width="300" height="213"></p> <p>But helicoprion has been described in all sorts of wacky ways over the years:</p> <p><img class="alignnone size-medium wp-image-320" src="http://strangeanimalspodcast.com/wp-content/uploads/2017/09/Misbegotten-Helicos_color-300x223.jpg" alt="" width="300" height="223"></p> <p>So what are the odds this rendition of edestus is correct? hmm</p> <p><img class="alignnone size-medium wp-image-321" src="http://strangeanimalspodcast.com/wp-content/uploads/2017/09/edestus-300x150.jpg" alt="" width="300" height="150"></p> <p>Show transcript:</p> <p>Welcome to Strange Animals Podcast. I’m your host, Kate Shaw.</p> <p>This week we’ve got a listener suggestion! Will B. suggested placoderms, which were armored fish that lived hundreds of millions of years ago. He especially recommended Dunkleosteus. I looked it up and went, “Oh holy cr</p>