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TaxNo: 4100Subgenus Type_A
Suborder: Goniatitina
Superfamily: Pericycloidea
Family: Pericyclidae
Subfamily: Ammonellipsitinae
Genus: Ammonellipsites
Subgenus: Type_A
Qualifier: ge
Author: Schindewolf 1934,p.343
Lower Boundary: UD3B--UD3C:(delphinus Zone base) [14,55], 368 million years
Upper Boundary: UD4C--UD5A:serpent.--Cl.laevigata[16,75], 365.6 million years