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TaxNo: 3028Subgenus Type_A
Suborder: Goniatitina
Superfamily: Pericycloidea
Family: Pericyclidae
Subfamily: Ammonellipsitinae
Genus: Ammonellipsites
Subgenus: Type_A
Qualifier: ge
Author: Parkinson 1822,p.164
Lower Boundary: Pericyclus--Fasciperic./Ammonellips.BZ, 348.5 million years
Upper Boundary: Fascip./Ammon.--Bollandoc./Bollandit. BZ, 345.3 million years