ammonites are extinct
Ammonites are named for the Egyptian god Ammon, who had a ram's head. The shells of ammonites are spirals like the horns of a ram.
Various aquatic reptiles were predators of ammonites. Fossils of damaged ammonites have been found with teeth marks from Plesiosaurs.
If not specified as trace fossil of Ammonites, it should be a body fossil. Ammonites is the name of the creature.
Squid
plankton
No, the Japanese are a modern ethnic group of people from Japan. Ammonites are ancient marine animals that went extinct millions of years ago.
Ammonites went extinct at the end of the Cretaceous Period.
Ammonites are very common fossils from the Jurassic Period. They were dominant in the ocean during and before the Jurassic Period.
Ammonites went extinct at the same time as the dinosaurs, about sixty-five million years ago.
Ammonites are the most widely-known and abundant fossils in the world. The name "ammonites" came from the Greek god Ammon. Ammonites include squid, octopus, snails, cuttlefish, and nautilus.
David