Aturia
Aturia was a genus of nautilus that swam through the ocean and probably ate fish.
Ammonites and nautiluses were spiral-shelled swimmers that hunted fish with their tentacles. Ammonites went extinct at the end of the Cretaceous, but some nautiluses are still alive today.
Aturia was a genus of nautilus that swam through the ocean and probably ate fish.
Eutrephoceras dekayi was a nautilus that swam through the open ocean, near the seafloor.
Discoscaphites conradi was an ammonite that swam through the ocean and probably ate fish.
Sphenodiscus lobatus was an ammonite that swam through the open ocean and probably ate fish.
Baculites ovatus was an ammonite that swam through the ocean and probably ate fish.
Baculites was a genus of ammonite. It swam through the open ocean and probably ate fish.