article: Cephalopod
links: Cuttlefish Georges Cuvier Octopus Bioluminescence Coleoidea Cambrian 1797 Palaeozoic Mantle (mollusc) Cretaceous Ammonoidea Nautiloidea Mesozoic Animal Belemnite Antarctica Nautilidae Subclass (biology) Order (biology) Nautilus Mollusca Ammonite Greek language Squid Czech language