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JIPMER2012ZoologyEvolution

The most primitive vertebrates are

Options

  1. Aostracoderms
  2. Bcephalochordates
  3. Cplacoderms
  4. Dcyclostomes

Correct answer

A. ostracoderms

Step-by-step solution

Class-Ostracodermi of vertebrata includes most primitive vertebrates, e.g., Cephalaspis and Drepanaspis.

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