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  2. Bluntnose sixgill shark - Wikipedia

    en.wikipedia.org/wiki/Bluntnose_sixgill_shark

    The bluntnose sixgill shark (Hexanchus griseus), often simply called the cow shark, is the largest hexanchoid shark, growing to 18 ft (5.5 m) in length. [2] It is found in tropical and temperate waters worldwide and its diet is widely varied by region.

  3. Cow shark - Wikipedia

    en.wikipedia.org/wiki/Cow_shark

    Cow sharks are a shark family, the Hexanchidae, characterized by an additional pair or pairs of gill slits. Its 37 species are placed within the 10 genera: Gladioserratus , Heptranchias , Hexanchus , Notidanodon , Notorynchus , Pachyhexanchus , Paraheptranchias , Pseudonotidanus , Welcommia , and Weltonia .

  4. Broadnose sevengill shark - Wikipedia

    en.wikipedia.org/wiki/Broadnose_sevengill_shark

    The broadnose sevengill shark (Notorynchus cepedianus) is the only extant member of the genus Notorynchus, in the family Hexanchidae.It is recognizable because of its seven gill slits, while most shark species have five gill slits, with the exception of the members of the order Hexanchiformes and the sixgill sawshark.

  5. Category:Hexanchidae - Wikipedia

    en.wikipedia.org/wiki/Category:Hexanchidae

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  6. Hexanchiformes - Wikipedia

    en.wikipedia.org/wiki/Hexanchiformes

    Due to their primitive anatomy, hexanchiforms were previously considered the most basal group of sharks. However, more recent phylogenetic studies indicate that while primitive, they in fact belong to the superorder Squalomorphii, which also contains dogfishes, angelsharks, and sawsharks, although they are thought to be the most basal member of the group.

  7. Sharpnose sevengill shark - Wikipedia

    en.wikipedia.org/wiki/Sharpnose_sevengill_shark

    The genus name Heptranchias is from the Greek heptra meaning "seven arms", [clarification needed] and agchein meaning "throttle", referring to this shark's seven pairs of gill slits. Other common names for this species include one-finned shark, perlon shark, sevengill cow shark, sevengilled Mediterranean shark, sevengilled shark, sharpnose ...

  8. Bigeyed sixgill shark - Wikipedia

    en.wikipedia.org/wiki/Bigeyed_sixgill_shark

    The bigeyed sixgill shark (Hexanchus nakamurai) is a cow shark of the family Hexanchidae. Its dorsal surface has a brownish-gray color, and is sharply separated from the light coloring of its ventral surface. The eyes are a fluorescent green while the shark is alive. The body of this shark is small, slim, and fusiform in shape.

  9. Hexanchidae - Wikipedia

    en.wikipedia.org/?title=Hexanchidae&redirect=no

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