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TaxNo: 5296Genus Aricoceras
Suborder: Goniatitina
Superfamily: Adrianitoidea
Family: Adrianitidae
Subfamily: Adrianitinae
Genus: Aricoceras
Qualifier: ge
Author: Ruzhentsev 1950,p.203
Lower Boundary: Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
Upper Boundary: Wordian--Capitanian (Midian) [WOR--CAP], 265.8 million years