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  1. Edestus - Wikipedia

    Like its other relatives, such as Helicoprion, and unlike modern sharks, the species of Edestus grew teeth in curved blades or "whorls". In Edestus ' case, only a single row of teeth occurred …

  2. Scientists Model How Prehistoric Shark Cut Through Prey With …

    Jan 31, 2019 · But hundreds of millions of years ago, before the dawn of the dinosaurs, there lived a shark with a bite unlike any other: Edestus, the scissor shark. Paleontologists have known …

  3. "Scissor-tooth shark" Edestus thrashed its prey to death

    New research into the feeding habits of a long-extinct mysterious fish reveals that it may be the first animal ever known to use vertical thrashing of external teeth to kill its prey. And it had …

  4. The Strange Teeth of the Carboniferous Shark Edestus

    Fish, including other sharks, are the most likely prey of Edestus, but “shelled cephalopods, including nautiloids and ammonoids, would have been present and might also have been their …

  5. Weird Heads Month #11: Scissor-Toothed “Sharks” - Nix Illustration

    Living during the late Carboniferous, about 306-299 million years ago, Edestus giganteus was the largest species in the genus, reaching estimated lengths of up to 6m (19’8″), similar in size to …

  6. Edestus a.k.a. 'Scissor toothed shark' - Prehistoric Wildlife

    Apr 3, 2013 · – On the nature of Edestus and related genera, with descriptions of one new genus and three new species. – Proceedings of the United States National Museum 37:43-61 – O. P. …

  7. Redefining species concepts for the Pennsylvanian scissor tooth shark

    Known as the scissor tooth shark, Edestus produced a unique dentition of spiraled tooth families positioned in the symphysis (midline) of the upper and lower jaws.

  8. Fossil of the month from the KGS collection: Edestus

    Jan 5, 2023 · Because the skeletons of both ancient and modern sharks are mostly cartilage, they decay quickly after death, usually leaving teeth as their only remnants. Edestus is unusual in …

  9. Fossil Friday #221: Edestus heinrichi Shark Tooth - ESCONI

    Jul 12, 2024 · Edestus sharks are known from the Pennsylvanian Period. The genus was established by Joseph Leidy in 1856, when he described Edestus vorax. Edestus is one of the …

  10. Edestidae - Wikipedia

    The Edestidae are a poorly known, extinct family of shark -like eugeneodontid holocephalid cartilaginous fish. Similar to the related family Helicoprionidae, members of this family …