Rhinoptera
''Rhinoptera'' is a genus of ray commonly known as the cownose rays. This genus is the only member of the family Rhinopteridae. Species There are currently 8 recognized extant (living) species in this genus: * '' 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, ...
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Rhinoptera Bonasus
The cownose ray (''Rhinoptera bonasus'') is a species of Batoidea found throughout a large part of the western Atlantic and Caribbean, from New England, United States to southern Brazil (the East Atlantic populations are now generally considered a separate species, the Lusitanian cownose ray (''R. marginata'')). Male rays often reach about 2 and 1/2 feet in width. Females typically reach about 3 feet in width. However, there have been reports of rays up to 7 feet in width. Sizes change depending on the geographical range. Females will usually grow larger than males, allowing for larger offspring. These rays also belong to the order Myliobatiformes, a group that is shared by bat rays, manta rays, and eagle rays. In 2019, the species was listed as vulnerable on the IUCN Red List. Taxon