From Wikipedia, the free encyclopedia
A cephalochordate (frae Greek: κεφαλή kephalé, "heid" an χορδή khordé, "chord") is an ainimal in the chordate subphylum, Cephalochordata. Thay are chairacterised as chordates, as thay possess aw 5 o the chordate chairacteristics durin larval stages an throu tae adultheid. This includes: notocord, dorsal nerve cord, endostyle, pharynx an post-anal tail.[2] Cephalochordates are representit in the modren oceans bi the Amphioxiformes (lancelets, forby kent as amphioxus). Alang wi its sister phylum, Urochordata, Cephalochordata can be clessified as belangin tae the taxon Protochordata.[3]
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Cephalochordate Temporal range: Early Cambrian–Recent | |
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A Branchiostoma lanceolatum lancelet | |
Scientific classification | |
Kinrick: | Animalia |
Phylum: | Chordata |
Subphylum: | Cephalochordata Haeckel, 1866[1] |
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Synonyms | |
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