CARBONIFEROUS (STRATIGRAPHY)
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BTPALAEOZOIC (STRATIGRAPHY)
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UDC551.735
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Descriptor GERKARBON (STRATIGRAPHIE)
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Descriptor ENGCARBONIFEROUS (STRATIGRAPHY)
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Descriptor FRECARBONIFÈRE (STRATIGRAPHIE)
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NTUPPER CARBONIFEROUS (STRATIGRAPHY)
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NTLOWER CARBONIFEROUS (STRATIGRAPHY)
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NTLOWER CARBONIFEROUS-UPPER CARBONIFEROUS BOUNDARY (STRATIGRAPHY)
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RTUPPER CARBONIFEROUS (STRATIGRAPHY)
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RTLOWER CARBONIFEROUS (STRATIGRAPHY)