The correct classification of $Myxine$ is:

• A
  $Chordata \rightarrow Craniata \rightarrow Agnatha \rightarrow Cyclostomata$
• B
  $Chordata \rightarrow Acraniata \rightarrow Protochordata \rightarrow Cephalochordata$
• C
  $Chordata \rightarrow Cephalochordata \rightarrow Cyclostomata$
• D
  $Chordata \rightarrow Craniata \rightarrow Vertebrata \rightarrow Ostracodermi$