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TaxNo: 5690Genus Michiganites
Suborder: Prolecanitina
Superfamily: Prolecanitoidea
Family: Prolecanitidae
Subfamily: Prolecanitinae
Genus: Michiganites
Qualifier: ge
Author: Ruzhentsev 1962, p.348
Lower Boundary: IRL Lower Limestone base, 350 million years
Upper Boundary: UMI Marshall Sdst.I top, 339 million years