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TaxNo: 5973Genus Pronoceras
Suborder: Goniatitina
Superfamily: Neoicoceratoidea
Family: Neoicoceratidae
Subfamily: Neoicoceratinae
Genus: Pronoceras
Qualifier: gn
Author: Plummer 1950,pl.19
Valid: Eoasianites Ruzhentsev,1933,p.165
Lower Boundary: Moscovian--Kasimovian [MOS--KAS], 306.5 million years
Upper Boundary: U Missourian--Virgilian [MIS--VIR], 305 million years