Crustacea
E96843
Crustacea is a large subphylum of mostly aquatic arthropods that includes crabs, lobsters, shrimp, barnacles, and related species characterized by hard exoskeletons and jointed limbs.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Crustacea canonical | 16 |
Statements (64)
| Predicate | Object |
|---|---|
| instanceOf |
subphylum
ⓘ
taxon ⓘ |
| bodyDivision |
abdomen
ⓘ
head ⓘ thorax ⓘ |
| circulatorySystem | open circulatory system ⓘ |
| commonLarvalForm | nauplius larva ⓘ |
| development | often includes larval stages ⓘ |
| ecologicalRole |
detritivores
ⓘ
important zooplankton components ⓘ predators ⓘ primary consumers ⓘ |
| economicImportance |
major source of seafood
ⓘ
some species are pests ⓘ used in aquaculture feed ⓘ |
| exoskeletonComposition |
chitin
ⓘ
often calcified ⓘ |
| feedingMode |
filter feeding (in many species)
ⓘ
predation (in many species) ⓘ scavenging (in many species) ⓘ |
| firstAppearance |
Cambrian Period
ⓘ
surface form:
Cambrian period
|
| fossilRecord | rich fossil record in marine sediments ⓘ |
| hasCharacteristic |
bilateral symmetry
ⓘ
chitinous cuticle ⓘ compound eyes (often on stalks) ⓘ hard exoskeleton ⓘ jointed appendages ⓘ many freshwater species ⓘ many marine species ⓘ molts exoskeleton ⓘ mostly aquatic ⓘ paired appendages ⓘ segmented body ⓘ some terrestrial species ⓘ usually two pairs of antennae ⓘ |
| hasSubgroup |
Branchiopoda
ⓘ
Cephalocarida ⓘ Malacostraca ⓘ Maxillopoda ⓘ Ostracoda ⓘ Remipedia ⓘ |
| includes |
amphipods
ⓘ
barnacles ⓘ copepods ⓘ crabs ⓘ fairy shrimp ⓘ isopods ⓘ krill ⓘ lobsters ⓘ shrimp ⓘ water fleas (Daphnia) ⓘ woodlice ⓘ |
| isA |
aquatic invertebrate group
ⓘ
arthropod group ⓘ |
| kingdom | Animalia ⓘ |
| locomotion |
swimming with specialized appendages
ⓘ
walking with thoracic legs ⓘ |
| nervousSystem | ventral nerve cord with ganglia ⓘ |
| phylum | Arthropoda ⓘ |
| reproduction | mostly sexual reproduction ⓘ |
| respiration | usually via gills ⓘ |
| skeletonType | exoskeleton ⓘ |
| taxonRank | subphylum ⓘ |
| typicalBodyPlan | cephalothorax plus abdomen ⓘ |
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.