Category:Llandovery first appearances
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Biological taxa that first appeared during the Llandovery epoch, the geologic time between 443.8 and 433.4 million years ago, during the Silurian Period.
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Biological taxa that first appeared during the Llandovery epoch, the geologic time between 443.8 and 433.4 million years ago, during the Silurian Period.
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