Phylogney of phylum chordata
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Last updated 5:53 PM on 4/1/26
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9 Terms
1
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Chordata= ?
Protochordata + Craniata
2
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Protochordata= ?
Urochordata + Cephalochordata
3
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Craniata= ?
Agnatha + Gnathostomata
4
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Urochordata= characteristsics?
tunicate: no head or vertebrae
5
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Cephalochordata (lancelet)= characteristics?
Nerve chord is only slightlu larger at anterior end; no true brain/vertebrae
6
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Agnatha (lamprey + hagfish): characteristics?
NO vertebral column or jaw; HAVE head and skull (cranium)
7
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Gnathostomata (all other craniates=vertebrates): characteristics
cranium, vertebral column, jaw!
8
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Gnathostomata= ?
Teleostomi +Chondrichthyes
9
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Teleostomi= ?
Osteichthyes + Tetrapods
