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Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Superclassis/Classis: Actinopterygii
Classis/Subclassis: Actinopteri
Subclassis/Infraclassis: Neopterygii
Infraclassis: Teleostei
Megacohors: Osteoglossocephalai
Supercohors: Clupeocephala
Cohors: Euteleosteomorpha
Subcohors: Neoteleostei
Infracohors: Eurypterygia
Sectio: Ctenosquamata
Subsectio: Acanthomorphata
Divisio/Superordo: Acanthopterygii
Subdivisio: Percomorphaceae
Series: Carangaria
Ordo: Istiophoriformes

Familia: Istiophoridae
Genus: Tetrapturus
Species: T. angustirostrisT. belone - T. georgii - T. pfluegeri


Tetrapturus Rafinesque, 1810


Hirasaka, K.; Nakamura, H. 1947: On the Formosan spear-fishes. Bulletin of the Oceanographic Institute Taipeh Taiwan, (3): 9–24, plates 1-3. [not seen]


ION search for Kajikia
ION search for Tetrapturus
Nomenclator Zoologicus search for Kajikia
Nomenclator Zoologicus search for Tetrapturus
WoRMS (2010). Kajikia Hirasaka & Nakamura, 1947. In: Nicolas Bailly (2010). FishBase. Accessed through: World Register of Marine Species at on 2011-08-09
Tetrapturus – Taxon details on Integrated Taxonomic Information System (ITIS).

Vernacular names
English: Marlin, Spearfish

Tetrapturus is a genus of marlins commonly called spearfish, found in tropical and subtropical oceans throughout the world. Some are popular sport fish in big-game fishing.

There are currently four recognized species in this genus:[1]

Tetrapturus angustirostris S. Tanaka (I), 1915 (Shortbill spearfish)
Tetrapturus belone Rafinesque, 1810 (Mediterranean spearfish)
Tetrapturus georgii R. T. Lowe, 1841 (Roundscale spearfish)
Tetrapturus pfluegeri C. R. Robins & de Sylva, 1963 (Longbill spearfish)


Froese, Rainer and Pauly, Daniel, eds. (2013). Species of Tetrapturus in FishBase. August 2013 version.

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