Oceanography Click Q- Cephalopods *Determine which member of the Class Cephalopoda is (best) described in the following statements: (Squid, Nautilus, Octopus or Cuttlefish)

Octopus

May walk using two of its arms/ 'legs'

Cuttlefish

Absent in the Americas

Nautilus

External Shell with gas- filled chambers

Octopus

Have 8 arms and no tentacles

Octopus

Includes both incirrina and Cirrina forms

Cuttlefish

Large internal shell for buoyancy

Octopus

No internal or external skeleton

Cuttlefish

Skirt-like fin used for primary mobility

Octopus

Up to 90 fine cirrl surrounding mouth

Squid

Long rod (gladius) inside the head