Edestus is an extinct genus of eugeneodontid holocephalian fish known from the Late Carboniferous (Pennsylvanian) of the United Kingdom, Russia, and the United States. Most remains consist of isolated curved blades or "whorls" that are studded with teeth, that in life were situated within the midline of the upper and lower jaws.

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 about Edestus for...

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 some seriously crazy teeth.

Edestus is a type of prehistoric shark that lived during the Late Carboniferous Period about 300 million years ago. It was first discovered in the mid-nineteenth century and was eventually given the name Edestus by Joseph Leidy in 1855.

POCATELLO – The ancient scissor-toothed shark Edestus was a “weird, weird beastie,” according to Leif Tapanila, Idaho State University geosciences professor and Idaho Museum of Natural History director.

Jan 20, 2020 · Edestus or the scissor-tooth shark was a prehistoric species about the size of a Great White - and had a power tool of a mouth.

Apr 2, 2021 · More than 300 million years ago, Edestus giganteous bit through its fishy prey with a set of thin, blade like jaws with each serrated tooth set in line right behind the last.

Jul 1, 2014 · In North America, Edestus is most common in marine black shales of the Illinois Basin, but to date has not been found in marine gray shales or limestones in the Appalachian Basin.

Apr 3, 2013 · Uncertain, but has but larger specimens of E. giganteus have been estimated at up to 6 meters long. England, Russia and the USA. Kasimovian to Gzhelian of the Carboniferous. Several known specimens. – Indications of five species, with two new genera, of extinct Fishes.

Jan 5, 2023 · Several species of Edestus with different shaped teeth lived in the Pennsylvanian Period, the so-called "Coal Age." KGS has several Edestus whorls in its collection. This fossil made news around the country when KGS and the University of Kentucky disseminated a news release about the find.