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TaxNo: 999Rectimitoceras disciforme
Suborder: Tornoceratina
Superfamily: Prionoceratoidea
Family: Prionoceratidae
Subfamily: Prionoceratinae
Genus: Rectimitoceras
Species: disciforme
Qualifier: ss
Author: Schindewolf 1926,p.106
Lower Boundary: UD4A--UD4B: dunkeri Zone base [15,55], 366.8 million years
Upper Boundary: UD5A--UD5B: ornata Zone base [17,10], 364.8 million years