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20.44 million years ago
(max)
geographic distribution includes
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13.82 million years ago
(min)
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mineralized skeleton contains
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mineralized tissue contains
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number of DNA Records In GGBN
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number of fossil occurrences
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number of public records in BOLD
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number of records in BOLD
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number of records in GBIF
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number of references in BHL
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number of sequences in GenBank
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number of specimens in GGBN
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