hybodont

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hybodont

fossil fish

Also known as: Hybodontii

Learn about this topic in these articles:

evolution of sharks

In chondrichthyan: Evolution
…to modern sharks, the order Hybodontii. They probably represent an intermediate state in selachian evolution and are classified by some authorities in the order Selachii. Although the jaws had the primitive double articulation, the skeletal support of the pectoral and pelvic fins was close to that of modern selachians, with…
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