Home›Species›Taxonomy›CephalopodaTaxaCephalopodaClassReference and ClassificationThoroughly VerifiedOctopuses, squid, cuttlefish and the chambered nautilus: exclusively marine, predatory mollusks with a ring of arms or tentacles around the head, highly developed eyes, and, in octopuses and squid especially, the most sophisticated nervous systems and problem-solving abilities known among invertebrates.FactsCephalopodaConnectionsSourcesComments (0)Reader Challenges (0)FactsDisputedMember Species/Taxa CountScholarly debate800 2Approximate described-species (or, for a genus, described-taxon) count; continually revised as species are newly described, reclassified or synonymized.Taxonomic RankWell-attestedClass 2Scientific NameWell-attestedCephalopoda 2ClassificationLiving or ExtinctWell-attestedYes 1CephalopodaFilter Results7 entriesCommon GroupAllCephalopods (Octopus, Squid, Nautilus, Cuttlefish) (7)HabitatAllAbyssal Zone (1)Bathyal Zone (1)Coral Reef (1)Marine (1)Neritic Zone (1)Open Ocean (3)Conservation StatusAllData Deficient (3)Least Concern (4)EcosystemAllCoral Reef Systems (1)Deep Sea (2)Gulf of California (1)Ross Sea (1)Everyday GroupAllCephalopods (Octopus, Squid, Nautilus, Cuttlefish) (7)DietAllCarnivore (7)System (Realm)AllMarine (7)Relationship to PeopleAllHunted or Fished (5)No Significant Interaction with Humans (1)Living or ExtinctAllYes (7)Where It LivesAllAngola (1)Australia (1)Belgium (1)Brazil (1)Canada (1)Chile (3)Denmark (2)France (1)Japan (1)Libya (1)Mexico (1)Morocco (1)Netherlands (1)New Zealand (1)Norway (2)Spain (1)Sweden (2)Turkey (1)United Kingdom (2)United States (1)Western Sahara (1)Show ResultsBrowseCompareSelect all 7Bigfin Reef SquidCephalopodaColossal SquidCephalopodaEuropean SquidCephalopodaFirefly Squid (Watasenia scintillans)CephalopodaGiant SquidCephalopodaHumboldt SquidCephalopodaJapanese Flying SquidCephalopodaConnectionsChild Taxon OfMollusca, Taxa Well-attested Source Catalogue of LifeParent Taxon OfBigfin Reef Squid, Species Well-attested Source Bigfin Reef Squid (Wikidata)tier 2Colossal Squid, Species Well-attested Source Colossal Squid (Wikidata)tier 2European Squid, Species Well-attested Source European Squid (Wikidata)tier 2Firefly Squid (Watasenia scintillans), Species Well-attested Source Firefly squid (Wikidata)tier 2Giant Squid, Species Well-attested Source Wikidata: Giant SquidHumboldt Squid, Species Well-attested Source Humboldt Squid (Wikidata)tier 2Japanese Flying Squid, Species Well-attested Source Japanese Flying Squid (Wikidata)tier 2Sources1. World Register of Marine Species (WoRMS)tier 2World Register of Marine Species (WoRMS)View the Source2. Catalogue of LifeSpecies 2000 & ITIS Catalogue of LifeView the SourceWikidata: CephalopodaWikidata Q128257, class allow-list match (w-wdresolver-0926)View the SourceWikidata: Giant SquidParent Taxon Of: Giant Squid, Wikidata parent-taxon (P171) chainView the SourceColossal Squid (Wikidata)tier 2WikidataParent Taxon Of: Colossal Squid, Wikidata parent-taxon (P171) chainView the SourceHumboldt Squid (Wikidata)tier 2WikidataParent Taxon Of: Humboldt Squid, Wikidata parent-taxon (P171) chainView the SourceBigfin Reef Squid (Wikidata)tier 2WikidataParent Taxon Of: Bigfin Reef Squid, Wikidata parent-taxon (P171) chainView the SourceFirefly squid (Wikidata)tier 2WikidataParent Taxon Of: Firefly Squid (Watasenia scintillans), Wikidata parent-taxon (P171) chainView the SourceJapanese Flying Squid (Wikidata)tier 2WikidataParent Taxon Of: Japanese Flying Squid, Wikidata parent-taxon (P171) chainView the SourceEuropean Squid (Wikidata)tier 2WikidataParent Taxon Of: European Squid, Wikidata parent-taxon (P171) chainView the SourceCephalopod (Wikipedia)In Group: Mollusc Classes, LeadQuote, In Group: Mollusc Classes, LeadA cephalopod is any member of the molluscan class Cephalopoda (Greek plural κεφαλόποδες, kephalópodes; "head-feet") such as a squid, octopus, cuttlefish, or nautilus.View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.