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TaxNo: 5836Subgenus Streeliceras
Suborder: Tornoceratina
Superfamily: Prionoceratoidea
Family: Prionoceratidae
Subfamily: Acutimitoceratinae
Genus: Acutimitoceras
Subgenus: Streeliceras
Qualifier: gs
Author: Becker 1996,p.37
Lower Boundary: UD6E--UD6F:Cym.nigra--A.prorsum [19,40], 360 million years
Upper Boundary: low.Tournais.--mid.Tournais. [Tn1--Tn2], 357.5 million years