Ammonites are the most widely known fossil. They are cephalopods and first appeared in the seas 415 million years ago, in the form of a straight shelled creature known as Bacrites. They do not have legs.
Various aquatic reptiles were predators of ammonites. Fossils of damaged ammonites have been found with teeth marks from Plesiosaurs.
Ammonites lived in the oceans during the Mesozoic era, between 240-65 million years ago. They dwelled in various marine habitats, preferring areas with shallow waters and abundant food supply. Ammonites are extinct cephalopods characterized by their coiled shells.
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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.
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Ammonites first appeared during the Devonian Period within the Paleozoic Era.
Ammonites went extinct at the end of the Cretaceous Period.
Ammonites went extinct at the same time as the dinosaurs, about sixty-five million years ago.
Ammonites are very common fossils from the Jurassic Period. They were dominant in the ocean during and before the Jurassic Period.
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.
ammonites
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