"323.75"^^ . "Isohomoceras sp. nov. Marine Band"@en . . "stable"@en . . . . . "Isohomoceras sp. nov. Marine Band [Duplicate: use H1B2]"@en . . "Mudstone. Stratified bedrock. Occurs onshore. Deposited during the Chokierian Substage (Carboniferous Period) (323.75-323 Ma BP)."@en . "H1B2"@en . "Isohomoceras sp. nov. Marine Band"@en . . . "Mudstone."@en . "323.0"^^ . .