Medusozoa
... that the mitochondrial DNA molecules of Medusozoa are linear rather than circular as in almost all other animals?
... that the <a href="./Mitochondrial_DNA" id="mwA_Q" rel="mw:WikiLink" title="Mitochondrial DNA">mitochondrial DNA</a> molecules of <b id="mwA_U"><a href="./Medusozoa" id="mwA_Y" rel="mw:WikiLink" title="Medusozoa">Medusozoa</a></b> are linear rather than circular as in almost all other animals?