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Barnacles are arthropods of the subclass Cirripedia in the subphylum Crustacea. They are related to crabs and lobsters, with similar nauplius larvae. Barnacles are exclusively marine invertebrates; many species live in shallow and tidal waters. Some 2,100 species have been described.
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barnacles species goose rhizocephala cirripedia darwin cirri nauplius thoracica water shells cement subclass sessile plates acrothoracica adult calcareous substrate larvae
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| a rock | instance of | attaching themselves to a hard substrate | 0.80 | text |
| the shell of a mollusc | instance of | attaching themselves to a hard substrate | 0.80 | text |
| or a ship | instance of | attaching themselves to a hard substrate | 0.80 | text |
| Priscansermarinus from the Middle Cambrian | instance of | Older claimed barnacles | 0.80 | text |
| some 510 to 500 million years ago | instance of | Older claimed barnacles | 0.80 | text |
| do not show clear barnacle morphological traits | instance of | Older claimed barnacles | 0.80 | text |
| though Rhamphoverritor from the Silurian Coalbrookdale Formation of England may represent a stem-group barnacle | instance of | Older claimed barnacles | 0.80 | text |
| that the goose barnacles grow on trees | instance of | with variants | 0.80 | text |
| owes its longstanding popularity to ignorance of bird migration | instance of | with variants | 0.80 | text |
| Barnacle | has application | MIT | 0.60 | section |
| Barnacle | has application | The | 0.60 | section |
| Barnacle | related to Adult | Typical | 0.60 | section |
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