Zino re shark rinozivikanwa kubva kumavambo eDevonian, makore angangoita mamirioni mazana mana apfuura. Munguva yeCarboniferous inotevera, shark dzakapfuura nenguva yekusiyana, nemhando dzakawanda nyowani dzichichinja. Mazhinji eaya akaparara panguva yePermian, asi shark dzakasara dzakapinda mune yechipiri kuputika kweyekuchinjika radiation panguva yeJurassic, inguva iyo skates uye rays yakatanga kuoneka. Mazhinji akararama marongero eelasmobranch anodzokera kuCretaceous, kana kumberi.
munguva yePermian