Protaspididae
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| Protaspididae Fossil range: Silurian - Devonian |
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The Protaspididae are an extinct marine family of fish-like vertebrates. The protaspidids existed in the early Devonian period, representing a transitional form between the Pteraspididae and the Psammosteida, bearing the broad head shield shape of the latter, due to a more benthic (bottom-dwelling) existence.
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