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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Agoniatitidae
|
Genus:
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Agoniatites |
Qualifier:
|
ge |
Author:
|
Meek 1877,p.99
|
Lower Boundary:
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LD4A--LD4B:G.grac.--Latanar. noeggerati, 401.6 million years
|
Upper Boundary:
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mid.--up.varcus Zone [17,00], 389 million years
|