Ammonite pavement in Lyme Regis, Dorset, Great Britain - a World Heritage Site. We went fossil hunting at Lyme Regis as kids! I took my husband a few years ago and we only found one fossil! I don't think he believed we used to find loads.
Fossil specimens by Kentuckiana Mike at Louisville Fossils (Ammonite fossils of the Promicroceras planicosta on display at the Smithsonian Museum of Natural History in Washington D. Rock plate is from England.
Ammonites are an extinct group of marine invertebrate animals in the subclass Ammonoidea of the class Cephalopoda. These molluscs are more closely related to living coleoids than they are to shelled nautiloids such as the living Nautilus species.