Kalmar "genus Squatina" tana nufin rarrabuwa taxonomic na rukuni na kifin cartilaginous wanda aka fi sani da sharks mala'ika. Halin halittar Squatina na cikin dangin Squatinidae ne, kuma ya ƙunshi nau'ikan kifin shark da ake samu a cikin tekuna a duniya. wanda yayi kama da na ray ko skate. Yawanci magidanta ne da ke zaune a ƙasa waɗanda ke cin ganima iri-iri, waɗanda suka haɗa da kifi, crustaceans, da cephalopods.Kalmar “genus” tana nufin matsayi na haraji da ake amfani da shi wajen rarraba rayayyun halittu, kuma shine. ana amfani da su don haɗa nau'ikan nau'ikan da ke da alaƙa iri ɗaya. Squatina jinsin halitta ne a cikin mafi girman tsarin haraji na masarautar dabbobi, wanda ya haɗa da nau'in, jinsi, iyali, tsari, aji, phylum, da masarauta.