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Suborder:
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Anarcestina
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Superfamily:
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Beloceratoidea
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Family:
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Gephuroceratidae
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Subfamily:
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Gephuroceratinae
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Genus:
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Crickites
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Species:
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septentrionalis |
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Qualifier:
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sy |
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Author:
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Miller 1938,p.102
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Valid:
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Crickites cordiformis (Miller 1938) |
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Lower Boundary:
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UD1K--UD1L:varicos.--C.holzapfeli [05,35, 375.1 million years
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Upper Boundary:
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UD1L--UD2A:(frechi Zone base) [06,10], 374.5 million years
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