Members of the ____ lineage, including octopuses, squids, and nautiluses, have a fused head-foot body with the "foot" modified into a set of arms and tentacles.

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The Cephalopoda lineage includes octopuses, squids, and nautiluses, characterized by their unique body structure where the head is fused with a foot that has evolved into a set of arms and tentacles.

Members of the ____ Lineage, Including Octopuses, Squids, and Nautiluses