Cephalochordates

URI: https://gptkb.org/entity/Cephalochordates
GPTKB entity
Statements (33)
Predicate Object
gptkbp:instanceOf subfamily
gptkbp:bodyPlan bilateral symmetry
gptkbp:circulatorySystem closed
gptkbp:closelyRelatedTo tunicates
vertebrates
gptkbp:commonName lancelets
gptkbp:distribution worldwide
gptkbp:dorsalNerveCord present
gptkbp:endostyle present
gptkbp:feedingType filter feeder
gptkbp:firstAppearance gptkb:Cambrian_period
gptkbp:genus gptkb:Asymmetron
gptkb:Branchiostoma
gptkb:Epigonichthys
gptkbp:habitat marine environments
https://www.w3.org/2000/01/rdf-schema#label Cephalochordates
gptkbp:importantFor model for vertebrate evolution
gptkbp:kingdom gptkb:Animalia
gptkbp:larvalStage present
gptkbp:musculature segmented
gptkbp:notochord present throughout life
gptkbp:numberOfSpecies about 30
gptkbp:pharyngealSlits present
gptkbp:phylum gptkb:Chordata
gptkbp:reproduction sexual
gptkbp:respiration through body surface
gptkbp:size few centimeters
gptkbp:skeletonType cartilaginous notochord
gptkbp:studiedBy cephalochordatology
gptkbp:tailLength post-anal
gptkbp:vertebralColumn absent
gptkbp:bfsParent gptkb:Tunicates
gptkbp:bfsLayer 7