Polished ammonite halves from Morocco. 400-65 million years old.
Ammonites were among the most advanced invertebrates of their time having eyes, jaws, and a complex nervous system. These cephalopod mollusks were successful, sophisticated predators that also had tentacles and ink sacs, much like modern-day squid, cuttlefish, and nautilus.
Approximately 4 to 6".
Each set is one-of-a-kind and will differ in size, shape, and color from the set shown.