Cephalochordata
E14432
Cephalochordata is a subphylum of small, fish-like marine animals (such as lancelets) that retain a notochord throughout life and are important for understanding vertebrate evolution.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Cephalochordata canonical | 7 |
| Amphioxiformes | 1 |
| Amphioxus | 1 |
| Branchiostoma | 1 |
| Branchiostomidae | 1 |
| cephalochordates | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
subphylum
ⓘ
taxon ⓘ |
| behavior | burrowing ⓘ |
| bodyPlan | bilaterally symmetrical ⓘ |
| bodyShape |
elongated
ⓘ
fish-like ⓘ |
| circulatorySystem | closed circulatory system ⓘ |
| closelyRelatedTo | Vertebrata ⓘ |
| coelomType | coelomate ⓘ |
| commonName |
Cephalochordata
self-linksurface differs
ⓘ
surface form:
cephalochordates
lancelets ⓘ |
| contains |
Asymmetron
ⓘ
Cephalochordata self-linksurface differs ⓘ
surface form:
Branchiostomidae
Epigonichthys ⓘ |
| describedBy | William Bateson ⓘ |
| developmentType | indirect development ⓘ |
| distinctFrom |
Urochordata
ⓘ
Vertebrata ⓘ |
| environment | benthic ⓘ |
| feedingMode | suspension feeding ⓘ |
| feedingStructure | pharyngeal basket ⓘ |
| fertilizationType | external fertilization ⓘ |
| firstDescribedYear | 1885 ⓘ |
| gasExchange | across body surface ⓘ |
| geographicDistribution | worldwide in shallow seas ⓘ |
| habitat | marine ⓘ |
| hasDistinctHead | false ⓘ |
| hasDorsalNerveCord | true ⓘ |
| hasPharyngealSlits | true ⓘ |
| hasPostAnalTail | true ⓘ |
| hasSegmentedMuscles | true ⓘ |
| hasVertebralColumn | false ⓘ |
| heartPresence | no true heart ⓘ |
| importance | key group for understanding vertebrate evolution ⓘ |
| includes |
Cephalochordata
self-linksurface differs
ⓘ
surface form:
Amphioxus
Cephalochordata self-linksurface differs ⓘ
surface form:
Branchiostoma
|
| kingdom | Animalia ⓘ |
| larvalStage | present ⓘ |
| lifestyle | filter feeder ⓘ |
| notochordPresence | throughout life ⓘ |
| phylogeneticPosition | basal chordate ⓘ |
| phylum | Chordata ⓘ |
| reproduction | sexual ⓘ |
| researchUse |
model for chordate development
ⓘ
model for evolution of vertebrate body plan ⓘ |
| sizeRange | a few centimeters long ⓘ |
| skeletonType | notochord ⓘ |
| substratePreference | sandy bottoms ⓘ |
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
cephalochordates
this entity surface form:
Branchiostoma
this entity surface form:
Amphioxus
this entity surface form:
Branchiostomidae
this entity surface form:
Amphioxiformes