Elasmobranchii

Superregnum: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Classis: Chondrichthyes
Subclassis: Elasmobranchii
Superordines: Rajomorphii - Selachimorpha - incertae sedis

References

* Douady, C.J.; Dosay, M.; Shivji, M.S.; Stanhope, M.J. 2003: Molecular phylogenetic evidence refuting the hypothesis of Batoidea (rays and skates) as derived sharks. Molecular phylogenetics and evolution, 26: 215-221.
* Winchell, C.J.; Martin, A.P.; Mallatt, J. 2004: Phylogeny of elasmobranchs based on LSU and SSU ribosomal RNA genes. Molecular phylogenetics and evolution, 31: 214-224. [1]

Vernacular names
Internationalization
Ελληνικά: Ελασματοβράγχιοι
Esperanto: Elasmobrankoj
Italiano: Elasmobranchi
日本語: 板鰓亜綱
Русский: Пластиножаберные
Suomi: Leveäsuiset
Türkçe: Yassı solungaçlılar
Українська: Пластинчастозяброві
中文: 板鳃亚纲