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TaxNo: 5244Genus Metalegoceras
Suborder: Goniatitina
Superfamily: Neoicoceratoidea
Family: Metalegoceratidae
Subfamily: Metalegoceratinae
Genus: Metalegoceras
Qualifier: ge
Author: Schindewolf 1931,p.199
Lower Boundary: Asselian--Sakmarian [ASS--SAK], 294.6 million years
Upper Boundary: Wordian--Capitanian (Midian) [WOR--CAP], 265.8 million years