notochord

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1-9 of 9 possibilities

Definition/MeaningWord/Phrase
free-swimming larva of ascidians; they have a tail like a tadpole that contains the notochord ascidian tadpole
fishlike animals having a notochord rather than a true spinal column cephalochordate
area of mesoderm that forms the notochord chordamesoderm , chordomesoderm
comprises true vertebrates and animals having a notochord Chordata , phylum Chordata
any animal of the phylum Chordata having a notochord or spinal column chordate
backbone, animal with notochord chordate
small (2 inches long) extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone; late Cambrian to late Triassic; possible predecessor of the cyclostomes conodont
any animal lacking a backbone or notochord; the term is not used as a scientific classification invertebrate
notochord of a larval tunicate typically confined to the caudal region urochord
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