Anatomy and evolution of the first Coleoidea in the Carboniferous
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DOI: 10.1038/s42003-019-0523-2
Abstract: Coleoidea (squids and octopuses) comprise all crown group cephalopods except the Nautilida. Coleoids are characterized by internal shell (endocochleate), ink sac and arm hooks, while nautilids lack an ink sac, arm hooks, suckers, and have… read more here.
Keywords: evolution; anatomy evolution; ink sac; anatomy ... See more keywords