Orthacanthus Shark Tooth - Permian 280 Myo Fossil, Pre Dinosaur
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Orthacanthus Shark Tooth - Permian 280 Myo Fossil, Pre Dinosaur:
ORTHACANTHUS SHARK TOOTH
Oklahoma, 280 million years
This Orthacanthus shark tooth was collected in Waurika, Jefferson County, Oklahoma and dates to the Permian period (280 million years).Whilst this is a partial tooth, this piece measures 22mm and is a large specimen. Comes labelled along with a small certificate of authenticity. An affordable and fascinating fossil, suitable for collection or study!
For a prehistoric shark that managed to persist for almost 150 million years--from the early Devonian to the middle Permian period--not a whole lot is known about Orthacanthus other than its unique anatomy. This early marine predator had a long, sleek, hydrodynamic body, with a dorsal (top) fin that ran almost the entire length of its back, as well as a strange, vertically oriented spine that jutted out from the back of its head. There's been some speculation that Orthacanthus feasted on large prehistoric amphibians (Eryops being cited as a likely example) as well as fish, but proof for this is somewhat lacking.
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