Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Elasmobranchii () wani yanki ne na Chondrichthyes ko kifin cartilaginous, gami da sharks (superorder Selachii) da rays, skates, da sawfish (superorder Batoidea). Membobin wannan ƙaramin rukuni suna da halaye ta hanyar samun nau'i-nau'i biyar zuwa bakwai na ƙyallen ƙyallen da ke buɗewa daban-daban zuwa waje, rigar dorsal fins da ƙananan ƙwayoyin placoid akan fata. Hakora suna cikin jerin da yawa; jaw na sama ba a haɗa shi da kwanyar ba, kuma jaw na ƙasa yana haɗuwa da na sama. Cikakkun bayanai game da wannan anatomy na jaw sun bambanta tsakanin nau'in, kuma suna taimakawa wajen rarrabe daban-daban clades na elasmobranch. An gyara fuka-fuki na pelvic a cikin maza don ƙirƙirar ƙuƙwalwa don canja wurin maniyyi. Ba su da mafitsara; maimakon haka, waɗannan kifayen suna yin iyo da manyan hanta da ke cike da mai.  Tambaya: Mene ne wasu misalai na Chondrichthyes?
sharks (superorder Selachii) da kuma rays, skates, da sawfish (superorder Batoidea)