Ammonoidea Most artwork depicts ammonites as floating free in the ocean. Unlike the modern nautilus, which lives far down where there is little light, ammonites seemed to have thrived closer to the surface. Ammonites were more closely related to squid and cuttlefish than to nautilus. Many species of ammonites were little larger than your hand. Only a few grew to … Continue reading Beneath the Ocean Blankets Part 1