Perisphinctes Ammonites
Perisphinctes Ammonites quality specimens in many sizes. Check our prices before you shop! These ammonites are from Madagascar 1 inch and up. Perisphinctes is an extinct genus of cephalopod that lived during the Jurassic Period. They are commonly white to tan in color. The shell has characteristic ridges that spiral around the outside surface of the shell. This is a sample of our inventory. Your Perisphinctes ammonite will be similar to the one pictured here.
