On the zones of the Lower Lias and the Avicula contorta Zone Moore, Charles Quarterly Journal of the Geological Society, London 1861 17 483 516 urn:lsid:zoobank.org:act:DFA30D2108474EBB89A49518184103C8 Gastropoda Cerithiidae Cerithium CoL Animalia Not Mollusca species decoratum  This treatment is a stub. You can help Plazi making the full treatment available.