Suborder:
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Agoniatitina
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Superfamily:
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Agoniatitoidea
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Family:
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Auguritidae
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Genus:
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Gaurites
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Species:
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sperandus+ |
Qualifier:
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ss |
Author:
|
Bogoslovsky 1984,p.34
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Lower Boundary:
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LD3C--LD3D: Anetoceras Range Zone top, 405.5 million years
|
Upper Boundary:
|
Gyroceratites laevis base [13,00], 404.8 million years
|