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TaxNo: 215Genus Aphyllites
Suborder: Agoniatitina
Superfamily: Mimoceratoidea
Family: Mimoceratidae
Genus: Aphyllites
Qualifier: gy
Author: Mojsisovics 1882,p.181
Valid: Gyroceratites von Meyer 1831
Lower Boundary: CZB Middle--Upper Zlichov Lst., 405.8 million years
Upper Boundary: DEH Hasselfelde Lst. top, 398 million years