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TaxNo: 4075Subgenus Type_B
Suborder: Goniatitina
Superfamily: Pericycloidea
Family: Pericyclidae
Subfamily: Ammonellipsitinae
Genus: Ammonellipsites
Subgenus: Type_B
Qualifier: gx
Author: Wedekind 1908,p.617
Lower Boundary: UD3B--UD3C:(delphinus Zone base) [14,55], 368 million years
Upper Boundary: UD4B--UD4C: serpentina Zone base [16,45], 366.4 million years