Asymmetron
E77478
Asymmetron is a genus of primitive, fish-like marine chordates within the lancelets, notable for their simple body plan and key role in studies of vertebrate evolution.
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
cephalochordate
ⓘ
genus ⓘ lancelet ⓘ |
| appendages | lacks paired fins ⓘ |
| bodyPlan | simple ⓘ |
| bodyShape |
elongated
ⓘ
laterally compressed ⓘ |
| brain | lacks well-developed brain ⓘ |
| circulatorySystem | simple circulatory system ⓘ |
| class | Leptocardii ⓘ |
| describedAs |
fish-like
ⓘ
primitive marine chordate ⓘ |
| developmentalFeature | retains many ancestral chordate traits ⓘ |
| distribution |
subtropical seas
ⓘ
tropical seas ⓘ |
| ecologicalRole | suspension feeder in marine sediments ⓘ |
| environment | benthic ⓘ |
| family | Asymmetronidae ⓘ |
| feedingType | filter feeder ⓘ |
| habitat | marine ⓘ |
| heart | lacks true heart ⓘ |
| higherClassification | Chordata > Cephalochordata > Amphioxiformes > Asymmetronidae > Asymmetron ⓘ |
| importanceInResearch |
model for vertebrate evolution
ⓘ
used in comparative genomics ⓘ used in evo-devo studies ⓘ |
| kingdom | Animalia ⓘ |
| lifestyle | infaunal ⓘ |
| notochord | present ⓘ |
| notochordExtent | extends to anterior end ⓘ |
| order |
Cephalochordata
ⓘ
surface form:
Amphioxiformes
|
| phylum | Chordata ⓘ |
| relatedTo |
Branchiostoma
ⓘ
Epigonichthys ⓘ |
| reproduction | sexual reproduction ⓘ |
| respiration | pharyngeal slits ⓘ |
| segmentation | myomeres present ⓘ |
| sensoryStructures | simple sensory organs ⓘ |
| skeletonType |
lacks true bones
ⓘ
lacks vertebral column ⓘ |
| subphylum | Cephalochordata ⓘ |
| symmetry | bilateral symmetry ⓘ |
| tail | post-anal tail present ⓘ |
| taxonRank | genus ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.