Suborder:
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Gonioclymeniina
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Superfamily:
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Gonioclymenioidea
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Family:
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Gonioclymeniidae
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Subfamily:
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Costaclymeniinae
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Genus:
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Costaclymenia
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Species:
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clymeniaeformis |
Qualifier:
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sn |
Author:
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Münster 1839,p.49
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Lower Boundary:
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UD1L--UD2A:(frechi Zone base) [06,10], 374.5 million years
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Upper Boundary:
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Devonian--Carboniferous Boundary [DCB], 359.2 million years
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