Ancient Species -
Cartilaginous Fish
(Sharks & Rays)

Cartilaginous fish lack true bones and have a skeleton made of cartilage. They include sharks, rays and skates.

They first appeared almost 450 million years ago during the Odovician Period.

Calcification of cartilage requires special conditions and, so, cartilaginous fish form fossils less easily then bony fish. Fossilized shark and ray teeth are common from the Cretaceous Period onwards (i.e. from 144 million years ago).

 

Shark & ray fossils now available (at eBay):

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Shark Tooth Fossil after Dinosaur Teeth Blue, yellow Bone Valley

AU $26.00
End Date: Thursday Sep-10-2020 17:29:17 EST
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Fossil Mako Shark Tooth Isurus after Dinosaur USA

AU $28.00
End Date: Wednesday Sep-9-2020 21:10:35 EST
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Shark Tooth Fossil after Dinosaur Teeth Orange Bone Valley Megalodon 1

AU $60.00
End Date: Wednesday Sep-9-2020 20:49:21 EST
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Megalodon Shark Tooth Fossil after Dinosaur Teeth 4 & 2/16 " - 110mm

AU $180.00
End Date: Wednesday Sep-9-2020 15:17:38 EST
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Megalodon Shark Tooth Fossil after Dinosaur Teeth 4 & 3/16 " - 105 mm

AU $195.00
End Date: Wednesday Sep-9-2020 15:09:05 EST
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Megalodon Shark Tooth Fossil after Dinosaur Teeth 4 " - 100 mm Black

AU $190.00
End Date: Wednesday Sep-9-2020 14:43:52 EST
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