A. Myxini
B. Gnathostomes
C. Chondrichthyes
D. Osteichthyes
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The correct answer to the question: "________vertebral column may have replaced notochord?" is "Gnathostomes".
A. Myxini
B. Gnathostomes
C. Chondrichthyes
D. Osteichthyes
The correct answer to the question: "________vertebral column may have replaced notochord?" is "Gnathostomes".
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