Hexanchiformes

superordo: Squalimorphii
Hexanchus griseus
 
ordo: Hexanchiformes (de Buen, 1926)
familia: Hexanchidae (Gray, 1851) Cow Sharks
 
genus: Heptranchias (Rafinesque, 1810)
  † Heptranchias ezoensis (Applegate & Uyeno, 1968)
  † Heptranchias howelii (Reed, 1946)
  † Heptranchias tenuidens (Leriche, 1938)
  Heptranchias perlo (Bonaparte, 1788) Sharpnose Sevengill Shark
  genus: Hexanchus (Rafinesque, 1810)
  † Hexanchus gracilis (Davis, 1887) locality: Sahel Alma, Lebanon; Hover, Germany
  † Hexanchus agassizii (Cappetta, 1976)
  † Hexanchus arzoensis (Beaumont, 1960) Lower Jura locality: Tessin, Switzerland
  † Hexanchus collinsonae (Ward, 1979) locality: Burnham/Sheppey, England; Khouribga, Morocco
  † Hexanchus gigas (Sismonda, 1857)
  † Hexanchus hookeri (Ward, 1979) locality: Burnham, England
  † Hexanchus microdon (Agassiz, 1843) Upper Creta locality: Honshu, Japan; Westfalen, Germany
  Hexanchus griseus (Bonaparte, 1788) Bluntnose Sixgill Shark
  Hexanchus nakamurai (Teng, 1962) Bigeye Sixgill Shark
  genus: Notorynchus (Ayres, 1855)
  † Notorynchus aptiensis (Pictet, 1865) locality: Kent/Speeton, England; Germany; Apt.: Provence, France
  † Notorynchus kempi (Ward, 1979)
  † Notorynchus primigenius (Agassiz, 1843)
  † Notorynchus serratissimus (Agassiz, 1844) Paleogén locality: Chesapeake Bay; Sheppey, England
  † Notorynchus intermedius (Wagner) locality: Nusplingen, Germany
  † Notorynchus lawleyi (Ciola & Fulgosi, 1983) Pliocen locality: Guandamar/Rojales, Cataluna, Spain; Italy
  † Notorynchus munsteri (Agassiz, 1843) Kainozoikum locality: Petersbruch, Germany; Bavaria, Germany
  † Notorynchus serratus (Frass) locality: Canton Argen, Switzerland; Tithonian: Nusplingen, Germany
  Notorynchus cepedianus (Peron, 1807) Broadnose Sevengill Shark
 
 

genus: † Notidanodon (Cappetta, 1975)

  † Notidanodon antarcti (Grande & Chatterjee, 1987) Upper Creta locality: Seymour Island, Antarctica
  † Notidanodon dentatus (Woodward, 1886) Upper Creta locality: Amuri Bluff, N.Z.
  † Notidanodon brotzeni (Siverson, 1995) Paleogén locality: Morocco; Skane, Sweden
  † Notidanodon lanceolatus (Woodward, 1886) locality: Kursk-Region, Russia; Kent, England
  † Notidanodon loozi (Vincent, 1876) Paleogén locality: Maret, Belg.; Elincourt, France; Mangyshlak, Kazakhstan
  † Notidanodon pectinatus (Agassiz, 1843) Upper Creta locality: Susses, England; CA; British Columbia, Canada
  genus: † Paraheptranchias
  † Paraheptranchias repens (Probs, 1879) Miocen locality: France; Germany
  genus: † Paranotidanus
  † Paranotidanus contrarius (Munster, 1843) locality: Bayern, Germany; Aargau, Switzerland
  † Paranotidanus intermedius (Wagner, 1861) Kainozoikum locality: Bayern, Germany
  † Paranotidanus munsteri (Agassiz, 1843) Kainozoikum locality: Villers-sur-Mer, France; Wallucke, Germany
  † Paranotidanus serratus (Fraas, 1855) Kainozoikum locality: Nusplingen, Germany
  genus: † Pseudonotidanus
  † Pseudonotidanus semirugosus (Underwood & Ward, 2004) locality: SW England
  genus: † Weltonia
  † Weltonia ancistrodon (Arambourg, 1952) locality: Monmouth Co., Limhamn, Sweden; Khouribga, Morocco
 

† Weltonia burnhamensis (Ward, 1979) Paleogén locality: Burlington, NJ; Ypr.: Burnham, England

genus: † Gladioserratus (Underwood, Goswami, Prasad, Verma, Flynn, 2011)
† Gladioserratus magnus (Underwood, Goswami, Prasad, Verma, Flynn, 2011)
         
         
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