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TaxNo: 2552Isohomoceras subglobosum
Suborder: Goniatitina
Superfamily: Gastrioceratoidea
Family: Homoceratidae
Subfamily: Homoceratinae
Genus: Isohomoceras
Species: subglobosum
Qualifier: ss
Author: Bisat 1924,p.110
Lower Boundary: Arnsbergian--Chokierian [ARN--CHO], 319 million years
Upper Boundary: Chokierian--Alportian [CHO--ALP], 317.7 million years