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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Fossil Fish Knightia sp. (7.5 cm) - USA - Eocene Period

AU $37.18
End Date: Friday Mar-27-2020 3:40:45 EST
Buy It Now for only: AU $37.18
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Australian Jurasic Fresh Water Fish Fossil No 5- unprepped - unidentified.

AU $120.00 (0 Bids)
End Date: Tuesday Mar-3-2020 11:49:58 EST
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