Ancient Species -
Agnaths
(Jawless Fish)

Agnaths are fishlike creatures characterized by a slit-like mouth and no jaw. Most had a bony shield on the head and a flexible coat of plates. 

Agnaths first appeared in the Silurian Period (434 to 408 million years ago). They were largely replaced by ray-finned fish from  the Devonian Period (408 to 354 million years ago) onward. There are only two types of these jawless fish today: hagfish and lampreys.

 

Fish fossils now available (at eBay):

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Nice Group 0f Micro Cretaceous Shark & Fish Teeth From Red Bed High Way 34 Texas

AU $41.60
End Date: Thursday Jan-10-2019 4:30:28 EST
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FOSSIL FISH DINOSAUR ERA KNIGHTIA USA #4

AU $22.00
End Date: Wednesday Jan-9-2019 16:01:51 EST
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Fossil Coprolite Fossil Fish Age Green River Fm COP4

AU $9.74
End Date: Monday Dec-17-2018 5:25:50 EST
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New Fish Lycopter Fossil Real Stone from Western Liaoning China Specimen Decor

AU $16.89
End Date: Sunday Jan-6-2019 18:22:52 EST
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Fossil Fish Knightia Eocaena 7.5 inch Fossil Lake Green River Wyoming #14

AU $62.42
End Date: Saturday Jan-5-2019 12:45:50 EST
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Fossil Fish Knightia Eocaena 7.5 inch Fossil Lake Green River Wyoming #13

AU $62.42
End Date: Saturday Jan-5-2019 12:45:49 EST
Buy It Now for only: AU $62.42
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Fossil Fish Knightia Eocaena 6.75 inch Fossil Lake Green River Wyoming #15

AU $62.42
End Date: Saturday Jan-5-2019 12:45:47 EST
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