Orthacanthus Shark Teeth
Orthacanthus Shark Teeth
Orthacanthus is an extinct genus of
fresh-water shark from a family of prehistoric sharks known as Xenacanths.
Members of the genus had a long spine growing from the back of their skull and a
very long dorsal fin, which ran all along its back giving it an eel-like
appearance.
About 260 million years ago, Orthacanthus was the terror of freshwater swamps
and bayous in Europe and North America. Its body reached nearly 10 feet in
length and its powerful jaws were lined with double-fanged teeth. They first
appeared almost 400 million years ago in the Devonian, and became extinct just
before the Mesozoic, about 225 million years ago.
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(Click photo to Enlarge)
Name: Orthacanthus mucous membrane denticles
Geologic Age: PermianStratigraphic Detail: Ryan FormationLocation: Waurika, OklahomaDescription: The denticles are small (the sharks only reached a couple of feet in length) measuring from ~2 to 3 mm but preservation and details are excellent as shown in the images. There are 1 to 5 teeth on the denticles, with most averaginf around 2 Very interesting and extremely distinct fossils that are rarely seen for sale. From the Permian of Oklahoma. Each specimens will come in a gem jar so they can be easily removed and studied.Orthacanthus Denticles $3.00 each
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(Click photo to Enlarge)
Name: Orthacanthus
Geologic Age: PermianStratigraphic Detail: Ryan FormationLocation: Waurika, OklahomaOrthacanthus Shark Tooth 5 $25.00
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(Click photo to Enlarge)
Name: Orthacanthus
Geologic Age: PermianStratigraphic Detail: Ryan FormationLocation: Waurika, OklahomaOrthacanthus Shark Tooth 8 $25.00
