Some species would begin growing their shell in a tight spiral but straighten it ... and they need it identifying. If you can identify the ammonite, you can really narrow things down. They're a really ...

Some ammonites had long, straight shells, while others had helix-shaped shells. Most species, however, had coiled shells lined with progressively larger chambers separated by thin walls called septa.

Bake for three hours. 9. Let your ammonite cool completely. You can display your salt dough fossil or make more to hide in the garden and go on a fossil hunt. Try to identify the species you've found ...