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: Rajinae
Genus: Okamejei
Species: O. acutispina – O. arafurensis – O. boesemani – O. cairae – O. heemstrai – O. hollandi – O. jensenae – O. kenojei – O. leptoura – O. meerdervoortii – O. mengae – O. ornata – O. philipi – O. pita – O. powelli – O. schmidti
Name
Okamejei Ishiyama, 1958
Type species: Raja fusca Garman, 1885 (Synonym of Raja kenojei Müller & Henle, 1841)
Etymology: Okame, Japanese vernacular for “female with low-nose,” presumably referring to its relatively shorter snout; jei, Japanese for skate and ray.
References
Ishiyama, R., 1958: Studies on the rajid fishes (Rajidae) found in the waters around Japan. Journal of the Shimonoseki College of Fisheries 7 (2-3): 191–394 [1-202], Pls. 1-3. PDF
Okamejei is a genus of small skates in the family Rajidae from the central and western Indo-Pacific, and the north-western Pacific Ocean.[1]
Species
Three species formerly placed in this genus were moved to Orbiraja in 2016.[2] There are currently 14 recognized species in Okamejei:[1]
Okamejei acutispina (Ishiyama, 1958) (Sharpspine skate)
Okamejei arafurensis Last & Gledhill, 2008 (Arafura skate)
Okamejei boesemani (Ishihara, 1987) (Boeseman's skate)
Okamejei cairae Last, Fahmi & Ishihara, 2010 (Borneo sand skate)
Okamejei heemstrai (McEachran & Fechhelm, 1982) (East African skate)
Okamejei hollandi (D. S. Jordan & R. E. Richardson, 1909) (Yellow-spotted skate)
Okamejei kenojei (J. P. Müller & Henle, 1841) (Ocellate spot skate)
Okamejei leptoura Last & Gledhill, 2008 (Thin-tail skate)
Okamejei meerdervoortii (Bleeker, 1860) (Bigeye skate)
Okamejei mengae Jeong, Nakabo & H. L. Wu, 2007
Okamejei ornata Weigmann, Stehmann & Thiel, 2015 (Ornate skate)[3]
Okamejei panayensis Misawa, Babaran & Motomura, 2022
Okamejei philipi (Lloyd, 1906)
Okamejei schmidti (Ishiyama, 1958) (Browneye skate)
References
Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Okamejei". FishBase. February 2011 version.
Last, Weigman & Dumale (2016). A new skate genus Orbiraja (Rajiformes: Rajidae) from the Indo-West Pacific. Zootaxa 4184 (1).
Weigmann, S., Stehmann, M.F.W. & Thiel, R. (2015): Okamejei ornata n. sp., a new deep-water skate (Elasmobranchii, Rajidae) from the northwestern Indian Ocean off Socotra Islands. Deep-Sea Research Part II, 115: 18-29.
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