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The 35 pages that link to Cephalopod, each with the reason it gives.

• MolluscaBroader topic: Cephalopods have modified feet forming arms or tentacles and include highly active predators.

• Suction feedingRelated: Some cephalopods use suction-producing movements to draw prey toward the mouth.

• SquidNarrower topic: Squid flesh comes from animals in this mollusk group.

• AmmoniteNarrower topic: Ammonites belonged to this mollusk group, alongside living and extinct relatives.

• OctopusNarrower topic: Octopuses are cephalopods, sharing an enlarged head and arms adapted from the molluscan foot.

• GastropodCompared with: Cephalopods show a different molluscan body plan and a more centralized nervous system.

• Giant squidNarrower topic: Giant squid belong to this group, alongside octopuses, cuttlefish, and other squid.

• MolluskBroader topic: Cephalopods have transformed the molluscan foot into arms and a funnel.

• NautilusNarrower topic: Nautilus belongs to this group but retains an external shell unlike most living members.

• PulmonataCompared with: Its members are also mollusks, but their active, gill-breathing body plan differs sharply from pulmonates.

• Sea slugCompared with: Cephalopods are sometimes confused with sea slugs because both include soft-bodied marine mollusks.

• Vampire squidNarrower topic: The vampire squid belongs to this class despite its unusual mix of traits.

• AmmonoideaNarrower topic: Ammonoids belong to this class and share its basic body plan.

• Fish as foodBroader topic: Squid and octopus are often sold as seafood despite not being fish biologically.

• Risso’s dolphinRelated: Squid and other cephalopods make up much of its diet.

• Common octopusNarrower topic: The common octopus belongs to this group of active, mostly marine molluscs.

• BelemnitidaNarrower topic: Belemnites shared the defining cephalopod body plan and tentacles.

• Blue-ringed octopusNarrower topic: The genus belongs to this class of active, soft-bodied mollusks.

• Cephalopod beakNarrower topic: The beak is a shared feeding structure across the cephalopod body plan.

• Colossal squidNarrower topic: The colossal squid belongs to this group of soft-bodied, tentacled mollusks.

• CuttlefishNarrower topic: Cuttlefish share the group’s arms, large eyes, and active predatory lifestyle.

• Head (anatomy)Broader topic: Cephalopods have a prominent head whose organization differs from that of vertebrates.

• Hector's dolphinRelated: Squid are another part of this dolphin's diet.

• NautiloidNarrower topic: Nautiloids are members of this broader mollusk group.

• Sea snailCompared with: Cephalopods are another marine mollusk group with a very different body plan and way of life.

• Carl ChunNarrower topic: Chun’s research helped establish cephalopods as a central subject of modern zoology.

• DicyemidaRelated: Host identity and physiology shape the habitat available to dicyemids.

• European congerRelated: Cephalopods are among the prey taken by European congers.

• Giant Pacific octopusNarrower topic: The species shares cephalopod traits such as arms, a siphon, and sophisticated eyes.

• MesoplodonRelated: Squid and other cephalopods form much of the known diet of many species.

• Amphioctopus marginatusNarrower topic: This species' flexible arms, advanced nervous system, and ink-producing ancestry are cephalopod traits.

• Pygmy sperm whaleNarrower topic: Squid and other cephalopods are major prey for pygmy sperm whales.

• SpirulaNarrower topic: Spirula belongs to this mollusk class, alongside octopuses, squids, and cuttlefish.

• Tusk shellCompared with: Cephalopods have prominent arms and sensory systems rather than a burrowing tubular-shell body plan.

• Umbrella octopusNarrower topic: This broader mollusk group includes all octopuses.