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TaxNo: 1698Sporadoceras bronnii
Suborder: Tornoceratina
Superfamily: Praeglyphioceratoidea
Family: Sporadoceratidae
Genus: Sporadoceras
Species: bronnii
Qualifier: sy
Author: Münster 1839,p.48
Valid: Sporadoceras muensteri (von Buch 1832)
Lower Boundary: UD2H--UD2I:(mamilliferum base) [12,90], 370 million years
Upper Boundary: UD4A--UD4B: dunkeri Zone base [15,55], 366.8 million years