Suborder:
|
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
|
Genus:
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Aclistoceras
|
Species:
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globosum |
Qualifier:
|
ss |
Author:
|
Popov 1960,p.83
|
Lower Boundary:
|
RUS Branner./Gastr.--Diabol./Winslow. GZ, 311.7 million years
|
Upper Boundary:
|
RUS Miachkovian--Zhigulian [MYA--ZHI], 306.5 million years
|