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Suborder:
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Goniatitina
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Superfamily:
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Gastrioceratoidea
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Family:
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Reticuloceratidae
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Subfamily:
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Reticuloceratinae
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Genus:
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Tectiretites
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Species:
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davisi |
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Qualifier:
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ss |
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Author:
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Foord & Crick 1897,p.198
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Lower Boundary:
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GBY R1b--R1c (Ph.nodosum--R.reticulatum), 315.4 million years
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Upper Boundary:
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GBY R1c(R.reticulatum--Ph.coreticulatum), 315.2 million years
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