- Lytoceras fimbriatum
- Jurassic Age
- Dorset, England
- This RARE specimen measures approx. 8″ wide. This specimen has a small section of one phlange broken off on the back side of the ammonite. The back side matrix was left intact as it has another ammonite buried in it and what appears to be a gastropod
Ammonites are an extinct group of marine invertebrate animals similar to the modern nautilus. (Cephalopoda) Like the nautilus, ammonites had a soft body with tentacles that emerged from a hollow chambered shell utilized in the manner of a submarine’s ballast tanks. Ammonites are often identified by their shell ornamentation and the structures of the wall that divide the shell’s chambers.