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TaxNo: 3486Metalegoceras ornatum
Suborder: Goniatitina
Superfamily: Neoicoceratoidea
Family: Metalegoceratidae
Subfamily: Metalegoceratinae
Genus: Metalegoceras
Species: ornatum
Qualifier: ss
Author: Sheng 1988,p.131
Lower Boundary: Sakmarian--Artinskian [SAK--ART], 284.4 million years
Upper Boundary: Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years