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TaxNo: 4001Subgenus Type_A
Suborder: Goniatitina
Superfamily: Pericycloidea
Family: Pericyclidae
Subfamily: Ammonellipsitinae
Genus: Ammonellipsites
Subgenus: Type_A
Qualifier: ge
Author: Girty 1909,p.67
Lower Boundary: Visean--Namurian/Serpukhovian [VIS--NAM], 326.4 million years
Upper Boundary: Arnsbergian--Chokierian [ARN--CHO], 319 million years