Petalodontiformes

Petalodontiformes ("thin-plate teeth") is an extinct order of cartilaginous fish. They are related to the modern-day chimaera found in what is now the United States and Europe.

Petalodontidae

  • †Ageleodus
  • †Antliodus
  • †Chomatodus
  • †Ctenoptychius
  • †Glyphanodus
  • †Harpacodus
  • †Lisogodus
  • †Neopetalodus
  • †Paracymatodus
  • †Petalodus
  • †Polyrhizodus
  • †Serratodus
  • †Siksika
  • †Tanaodus