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ammonite: Per Wikipedia the ammonites went extinct with Dinosaurs 65 million years ago. Ammonites survived until the end of the Cretaceous period in a sea that covered what is now Alberta. Canada and Montana, USA. These ammonites were transformed into the rare gem known as Ammolite.
these are amonite fossils. Jason's dad knows a lot about fossils. he bought Jason one.he told Jason it was amonite. Craig salt, the dad's boss, said that the fossil wasn't ammonite and the father agrees. this makes jason mad because he thinks his dad is weak for not standing up to him.
Ammonites at the Smithsonian. Originating from within the bactritoid nautiloids, the ammonoid cephalopods first appeared in the Devonian (circa 400 million years ago) and became extinct at the close of the Cretaceous (65.5 Ma) along with the dinosaurs.