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What are the phylogeny of protochordates? |
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Answer» Answer: Protochordata describes two INVERTEBRATE chordate subphyla, the TUNICATA (Urochordata) and the Cephalochordata. ... However, molecular PHYLOGENIES show only weak support for the Tunicata as the sister-group to the rest of the chordates, suggesting that they are highly divergent from the Cephalochordata and Vertebrata. |
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