Suborder:
|
Prolecanitina
|
Superfamily:
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Prolecanitoidea
|
Family:
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Prolecanitidae
|
Subfamily:
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Prolecanitinae
|
Genus:
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Michiganites
|
Species:
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sp. |
Qualifier:
|
in |
Author:
|
div. authors
|
Lower Boundary:
|
Pericyclus--Fasciperic./Ammonellips.BZ, 348.5 million years
|
Upper Boundary:
|
Fascip./Ammon.--Bollandoc./Bollandit. BZ, 345.3 million years
|