Squaliformes

(Dogfish Sharks)

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This order represents the second largest order and includes 7 families, 22 genera, and about 113 species and their most distinguishing feature is the lack of an anal fin. Most species also have a spine in front of the first dorsal fin. The majority are deep water species. 

 

Families of Squaliformes


 
Echinorhinidae
      (Bramble sharks)
  • 1 generea
  • 2 species
Squalidae
      (Dogfish sharks)
  • 17 generea
  • 65-70 species
Oxynotidae
      (Roughsharks)
  • 1 generea
  • 4 species
Centrophoridae
      (Gulpher Sharks)
  • 2 generea
  • 15 species
Etmopteridae
      (Lantern sharks)
  • x generea
  • x species
Somniosidae
      (Sleeper sharks)
  • 7 generea
  • 18 species
Dalatiidae
      (Kitefin sharks)
  • x generea
  • x species
 
  1. Squaliformes Bramble sharks (Echinorhinidae)

  2. The Genera of Bramble sharks
    • Echinorhinus

      • Bramble shark (Echinorhinus brucus)
      • Prickly shark (Echinorhinus cookei)

  3. Squaliformes Dogfish Sharks (Squalidae)

  4. The Genera of Dogfish Sharks
    • Aculeola

      • Hooktooth dogfish (Aculeola nigra)

    • Centrophorus

      • Little gulper shark (Centrophorus cf. uyato)
      • Gulper shark (Centrophorus granulosus)
      • Dumb gulper shark (Centrophorus harrissoni)
      • Black gulper shark (Centrophorus isodon)
      • Endeavour dogfish (Centrophorus moluccensis)
      • Quelvacho (Centrophorus niaukang)
      • Deepwater spiny dogfish (Centrophorus squamosus)

    • Centroscyllium

      • Black dogfish (Centroscyllium fabricii)
      • Granular dogfish (Centroscyllium granulatum)
      • Bareskin dogfish (Centroscyllium kamoharai)
      • Black shark (Centroscyllium nigrum)

    • Centroscymnus

      • Portuguese dogfish (Centroscymnus coelolepis)
      • Longnose velvet dogfish (Centroscymnus crepidater)
      • Roughskin dogfish (Centroscymnus owstoni)

    • Cirrhigaleus

      • Mandarine dogfish (Cirrhigaleus barbifer)

    • Dalatias

      • Kitefin shark (Dalatias licha)

    • Daenia

      • Birdbeak dogfish (Daenia calcea)
      • Longsnout dogfish (Daenia quadrispinosum)

    • Etmopterus

      • New Zealand lanternshark (Etmopterus baxteri)
      • Blackbelly laternshark (Etmopterus lucifer)
      • Velvet belly (Etmopterus spinax)

    • Euprotomicroides

      • Taillight shark (Euprotomicroides zantedeschia)

    • Euprotomicrus

      • Pygmy shark (Euprotomicrus bispinatus)

    • Heteroscymnoides

      • Longnose pygmy shark (Heteroscymnoides marleyi)

    • Isistius

      • Cookiecutter shark (Isistius brasiliensis)
      • Largetooth cookiecutter shark (Isistius plutodus)

    • Scymnodalatias

      • Whitetail dogfish (Scymnodalatias albicauda)
      • Sparsetooth dogfish (Scymnodalatias oligodon)
      • Sherwood dogfish (Scymnodalatias sherwoodi)

    • Scymnodon

      • Smallmouth velvet dogfish (Scymnodon obscurus)
      • Plunket's shark (Scymnodon plunketi)

    • Somniosus

      • Southern Sleeper shark (Somniosus antarcticus)
      • Greenland shark (Somniosus microcephalus)
      • Pacific Sleeper shark (Somniosus pacificus)
      • Little sleeper shark (Somniosus rostratus)

    • Squaliolus

      • Spined pygmy shark (Squaliolus laticaudus)

    • Squalus

      • Spiny dogfish (Squalus acanthias)
      • Cosmopolitan spurdog (Squalus megalops)
      • Shortspine spurdog (Squalus mitsukurii)
      • Cyrano spurdog (Squalus rancureli)
      • Bartail spurdog (Squalus sp. nov. A)
      • Eastern Highfin spurdog (Squalus sp. nov. B)
      • Western Highfin spurdog (Squalus sp. nov. C)
      • Fatspine spurdog (Squalus sp. nov. D)
      • Western Longnose spurdog (Squalus sp. nov. E)
      • Eastern Longnose spurdog (Squalus sp. nov. F)


  5. Squaliformes Roughsharks (Oxynotidae)

  6. The Genera of Roughsharks
    • Oxynotus

      • Prickly dogfish (Oxynotus bruniensis)
      • Caribbean roughshark (Oxynotus caribbaeus)
      • Angular roughshark (Oxynotus centrina)
      • Japanese roughshark (Oxynotus japonicus)
      • Sailfin roughshark (Oxynotus paradoxus)


  7. Squaliformes Gulpher sharks (Centrophoridae)

  8. The Genera of Gulpher sharks
    • Centrophorus

      • Needle dogfish (Centrophorus acus)
      • Dwarf gulper shark (Centrophorus atromarginatus)
      • Gulper shark (Centrophorus granulosus)
      • Dumb gulper shark (Centrophorus harrissoni)
      • Blackfin gulper shark (Centrophorus isodon)
      • Lowfin gulper shark (Centrophorus lusitanicus)
      • Smallfin gulper shark (Centrophorus moluccensis)
      • Taiwan gulper shark (Centrophorus niaukang)
      • Leafscale gulper shark (Centrophorus squamosus)
      • Mosaic gulper shark (Centrophorus tessellatus)
      • Little gulper shark (Centrophorus uyato)

    • Deania

      • Birdbeak dogfish (Deania calcea)
      • Rough longnose dogfish (Deania hystricosa)
      • Arrowhead dogfish (Deania profundorum)
      • Longsnout dogfish (Deania quadrispinosum)


  9. Squaliformes XXXXX (xxxxx)

  10. The Genera of XXXXX
    • XXXXX

      • XXXXX (XXXXX)


  11. Squaliformes Sleeper sharks (Somniosidae)

  12. The Genera of XXXXX
    • XXXXX

      • XXXXX (XXXXX)

    • XXXXX

      • XXXXX (XXXXX)


  13. Squaliformes xxxxx (Dalatiidae)

  14. The Genera of xxxxx
    • Trigonognathus

      • Viper Dogfish (Trigonognathus kabeyai)

    • Etmopterus

      • African lanternshark (Etmopterus polli)


            
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