| NOUN | animal | class Cephalopoda, Cephalopoda | octopuses |
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| Meaning | octopuses; squids; cuttlefish; pearly nautilus. | |
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| Synonym | Cephalopoda | |
| Member of | Mollusca, phylum Mollusca | gastropods |
| Members | Dibranchiata, subclass Dibranchiata, Dibranchia, subclass Dibranchia | Comprising all living cephalopods except the family Nautilidae |
| Nautilidae, family Nautilidae | spiral-shelled cephalopods | |
| cephalopod, cephalopod mollusk | marine mollusk characterized by well-developed head and eyes and sucker-bearing tentacles | |
| Broader | class | (biology) a taxonomic group containing one or more orders |