Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Classis: Chondrichthyes
Subclassis: Elasmobranchii
Superordo: Rajomorphii
Ordo: Rajiformes
Familia: Rajidae
Subfamilia: Arhynchobatinae
Tribus: Arhynchobatini – Riorajini
Overview of genera (12): Arhynchobatis – Atlantoraja – Bathyraja – Brochiraja – Irolita – Notoraja – Pavoraja – Psammobatis – Pseudoraja – Rhinoraja – Rioraja – Sympterygia
References
Last, P.R. & Yearsley, G.K. 2002. Zoogeography and relationships of Australasian skates (Chondrichthyes: Rajidae). Journal of biogeography 29: 1627–1641.
Vernacular names
English: Softnose Skates
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