What other animals live during ammonites?

During the time of ammonites, which thrived from the Late Devonian to the end of the Cretaceous period, a variety of marine animals coexisted with them. These included dinosaurs like plesiOSaurs and ichthyosaurs, as well as other mollusks such as belemnites and various bivalves. Additionally, sharks and rays, along with numerous species of fish, were also prevalent in the oceans during that era. The rich marine ecosystems fostered a diverse array of life forms around ammonites.