If not specified as trace fossil of Ammonites, it should be a body fossil. Ammonites is the name of the creature.
archean eon
the Hadean eon
how was the phanerozoic eon divided.
The eon that lasted from 2,500 to 542 million years ago was the Proterozoic Eon.
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.
archean eon
Squid
I don't know the plural of eon but the answer is more than 1 eon
I am currently in the Phanerozoic Eon.
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.
the Hadean eon
Ammonites went extinct at the end of the Cretaceous Period.