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TaxNo: 3866Popanoceras tschernowi*
Suborder: Goniatitina
Superfamily: Popanoceratoidea
Family: Popanoceratidae
Genus: Popanoceras
Species: tschernowi*
Qualifier: ss
Author: Maksimova 1935,p.285
Lower Boundary: Sakmarian--Artinskian [SAK--ART], 284.4 million years
Upper Boundary: Aktastinian--Baigendzhinian [AKT--BAI], 282 million years