Oxynotus paradoxus Frade, 1929 (sail-fin roughshark).Yano & Murofushi, 1985 (Japanese roughshark) Oxynotus centrina (Linnaeus, 1758) (angular roughshark).
Oxynotus caribbaeus Cervigón, 1961 (Caribbean roughshark).Not yet described (Papua short-tail lanternshark) Not yet described (Guadalupe lanternshark) Etmopterus virens Bigelow, Schroeder & S.Etmopterus viator Straube, 2011 (traveller lanternshark).Etmopterus unicolor ( Engelhardt, 1912) (bristled lanternshark).Etmopterus spinax ( Linnaeus, 1758) (velvet-belly lanternshark).Etmopterus sheikoi (Dolganov, 1986) (rasp-tooth dogfish).Etmopterus sentosus Bass, D'Aubrey & Kistnasamy, 1976 (thorny lanternshark).Compagno & De Vries, 2011 (sculpted lanternshark) Etmopterus schultzi Bigelow, Schroeder & S.Etmopterus pycnolepis Kotlyar, 1990 (dense-scale lanternshark).Burgess & Séret, 2002 (False lanternshark) Etmopterus princeps Collett, 1904 (great lanternshark).Etmopterus polli Bigelow, Schroeder & S.Etmopterus molleri ( Whitley, 1939) (Moller's lanternshark).Jordan & Snyder, 1902 (Black-belly lanternshark) Etmopterus litvinovi Parin & Kotlyar, 1990 (small-eye lanternshark).Burgess, 2011 (short-fin smooth lanternshark) Etmopterus hillianus ( Poey, 1861) (Caribbean lanternshark).Etmopterus granulosus (Günther, 1880) (southern lanternshark).Burgess & Séret, 2002 (pygmy lanternshark) Burgess & Séret, 2002 (Black-mouth lanternshark) Burgess & Séret, 2002 (Lined lanternshark) Burgess & Séret, 2002 (pink lanternshark) Etmottoopoepterus decapidaaticusspidatus W.Burgess & Séret, 2002 (tail-spot lanternshark) Etmopterus burgessi Schaaf-Da Silva & Ebert, 2006 (broad-snout lanternshark).Etmopterus bullisi Bigelow & Schroeder, 1957 (lined lanternshark).Smith & Radcliffe, 1912 (short-tail lanternshark) Etmopterus bigelowi Shirai & Tachikawa, 1993 (blurred lanternshark).Vásquez, Ebert & Long, 2015 (ninja lanternshark) Etmopterus baxteri Garrick, 1957 (New Zealand lanternshark).Jordan & Fowler, 1903 (white-fin dogfish) Centroscyllium ornatum ( Alcock, 1889) (ornate dogfish).Centroscyllium nigrum Garman, 1899 (comb-tooth dogfish).Centroscyllium granulatum Günther, 1887 (granular dogfish).Centroscyllium excelsum Shirai & Nakaya, 1990 (high-fin dogfish).Echinorhinus cookei Pietschmann, 1928 (prickly shark).Echinorhinus brucus (Bonnaterre, 1788) (bramble shark).Smith & Radcliffe, 1912 (spined pygmy shark) Squaliolus aliae Teng, 1959 (small-eye pygmy shark).Mollisquama parini Dolganov, 1984 (pocket shark).Springer, 1964 (Large-tooth cookiecutter shark) Isistius brasiliensis (Quoy & Gaimard, 1824) (cookiecutter shark).Heteroscymnoides marleyi Fowler 1934 (long-nose pygmy shark).Euprotomicrus bispinatus ( Quoy & Gaimard, 1824) (pygmy shark).Euprotomicroides zantedeschia Hulley & M.Dalatias licha (Bonnaterre, 1788) (kite-fin shark).Deania quadrispinosa (McCulloch, 1915) (long-snout dogfish).Smith & Radcliffe, 1912) (arrow-head dogfish) Deania hystricosa (Garman, 1906) (rough long-nose dogfish).B Not yet described (slender gulper shark) Centrophorus uyato (Rafinesque, 1810) (little gulper shark).Centrophorus tessellatus Garman, 1906 (mosaic gulper shark).Centrophorus squamosus (Bonnaterre, 1788) (leaf-scale gulper shark).Centrophorus seychellorum Baranes, 2003 (Seychelles gulper shark).Centrophorus moluccensis Bleeker, 1860 (small-fin gulper shark).Centrophorus harrissoni McCulloch, 1915 (dumb gulper shark).Centrophorus atromarginatus Garman, 1913 (dwarf gulper shark).Notorynchus cepedianus ( Péron, 1807) (broad-nose seven-gill shark).Hexanchus vitulus Springer and Waller, 1969 (Atlantic six-gill shark).Hexanchus nakamurai Teng, 1962 (big-eyed six-gill shark).Hexanchus griseus (Bonnaterre, 1788) (blunt-nose six-gill shark).Heptranchias perlo ( Bonnaterre, 1788) (sharp-nose seven-gill shark).Chlamydoselachus anguineus Garman, 1884 (frilled shark).Compagno, 2009 (Southern African frilled shark) Family Chlamydoselachidae (frilled sharks).Also included is a field guide to place sharks into the correct order.Ĭow and frilled sharks (2 Families) The families and genera within the orders are listed in alphabetical order. Sharks are spread across 512 described and 23 undescribed species in eight orders. Listed below are extant species of shark. The first shark-like chondrichthyans appeared in the oceans 430 million years ago, developing into the crown group of sharks by the Early Jurassic. The Elasmobranchii also include rays and skates the Chondrichthyes also include Chimaeras. Shark is the naming term of all members of Selachimorpha suborder in the subclass Elasmobranchii, in the class Chondrichthyes. Identification of the 8 extant shark orders
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