Protaspis
http://dbpedia.org/resource/Protaspis
Protaspis is an extinct genus of pteraspidid heterostracan agnathan which lived during the Early Devonian of the United States, with fossils found in marine strata in what is now Utah, Wyoming and Idaho.
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Protaspis
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24474800
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1063245536
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Bryant, 1933
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* Protaspis bucheri
* Protaspis dorfi
* Protaspis macgrewi (Denison, 1970)
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Protaspis
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Pteraspis bucheri
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Bryant, 1932
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Protaspis is an extinct genus of pteraspidid heterostracan agnathan which lived during the Early Devonian of the United States, with fossils found in marine strata in what is now Utah, Wyoming and Idaho.
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1004