Idaho State University Researchers Solve Mysteries of Ancient “Shark” w/ Spiral-Toothed Jaw; Results Published in Royal Society’s Journal Biology Letters

ISU Headlines
February 27, 2013

Helicoprion Tooth Whorl Render.

Helicoprion Tooth Whorl Render.

Using CAT scans and making 3-D virtual reconstructions of the jaws of the ancient fish Helicoprion, Idaho State University researchers have solved some of the mysteries surrounding large spiral fossils of this fish’s teeth.

The ISU Museum of Natural History has one of the largest public collections of Helicoprion spiral-teeth fossils in the world. The fossils of this 270-million-year-old or older fish have long mystified scientists … More