Suborder:
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Goniatitina
|
Superfamily:
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Gastrioceratoidea
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Family:
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Glaphyritidae
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Subfamily:
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Stenoglaphyritinae
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Genus:
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Physematites
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Species:
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sp. |
Qualifier:
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in |
Author:
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div. authors
|
Lower Boundary:
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RUS Nm2b1--Nm2b2(S.krest.--P.alpharhip.), 316.8 million years
|
Upper Boundary:
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RUS Nm2b2--Nm2b3 (alpharh.--R.reticul.), 315.4 million years
|