Rhinoptera

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
Infraclassis: Euselachii
Division/Cohort: Neoselachii
Subdivision/Subcohort: Batoidea
Superordo: Batomorphii
Ordo: Myliobatiformes
Subordo: Myliobatoidei
Superfamilia: Dasyatoidea

Familia: Myliobatidae
Genus: Rhinoptera
Species: R. bonasus – R. brasiliensis
References

Jones, C.M., Hoffmayer, E.R., Hendon, J.M., Quattro, J.M., Lewandowski, J., Roberts, M., Poulakis, G.R., Ajemian, M.J., Driggers, W.B.I., de Carvalho, M.R., Rêgo, M.G., Hazin, F.H.V. & Márquez-Farías, J.F. 2017. Morphological conservation of rays in the genus Rhinoptera (Elasmobranchii, Rhinopteridae) conceals the occurrence of a large batoid, Rhinoptera brasiliensis Müller, in the northern Gulf of Mexico. Zootaxa 4286(4): 499–514. DOI: 10.11646/zootaxa.4286.4.3. Reference page.
Palacios-Barreto, P., Vanessa P. Cruz, Foresti, F., Rangel, B. de S., Uribe-Alcocer, M. & Díaz-Jaimes, P. 2017. Molecular evidence supporting the expansion of the geographical distribution of the Brazilian cownose ray Rhinoptera brasiliensis (Myliobatiformes: Rhinopteridae) in the western Atlantic. Zootaxa 4341(4): 593–600. DOI: 10.11646/zootaxa.4341.4.11. Reference page.

Vernacular names
Deutsch: Kuhnasenrochen
Ελληνικά: Ριναετόψαρο
English: Cownose rays and Flapnose rays

Rhinoptera is a genus of ray commonly known as the cownose rays.[2] This genus is the only member of the family Rhinopteridae.
Species

There are currently 8 recognized extant (living) species in this genus:[2]

Rhinoptera adspersa J. P. Müller & Henle, 1841 (Rough cownose ray)
Rhinoptera bonasus (Mitchill, 1815) (Cownose ray)
Rhinoptera brasiliensis J. P. Müller, 1836 (Brazilian cownose ray)
Rhinoptera javanica J. P. Müller & Henle, 1841 (Flapnose ray)
Rhinoptera jayakari Boulenger, 1895 (Oman cownose ray)
Rhinoptera marginata (É. Geoffroy Saint-Hilaire, 1817) (Lusitanian cownose ray)
Rhinoptera neglecta J. D. Ogilby, 1912 (Australian cownose ray)
Rhinoptera steindachneri Evermann & O. P. Jenkins, 1891 (Pacific cownose ray)

There are several other extinct species that only are known from fossil remains:

†Rhinoptera prisca Woodward, 1907
†Rhinoptera rasilis Böhm, 1926
†Rhinoptera raeburni White, 1934
†Rhinoptera schultzi Hiden, 1995
†Rhinoptera sherborni White, 1926
†Rhinoptera smithii Jordan & Beal, 1913
†Rhinoptera studeri Agassiz, 1843
†Rhinoptera woodwardi Agassiz, 1843