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TaxNo: 7357Subfamily Hammatocyclinae
Suborder: Goniatitina
Superfamily: Pericycloidea
Family: Pericyclidae
Subfamily: Hammatocyclinae
Qualifier: fs
Author: Ebbighausen et.al. 2010
Lower Boundary: Pericyclus--Fasciperic./Ammonellips.BZ, 348.5 million years
Upper Boundary: Fascip./Ammon.--Bollandoc./Bollandit. BZ, 345.3 million years