. . . . . "323.75"^^ . "Eumorphoceras ferrimontanum Marine Band"@en . . "Eumorphoceras ferrimontanum Marine Band"@en . . "327.0"^^ . "E2A2"@en . "Mudstone."@en . "Eumorphoceras ferrimontanum Marine Band [Duplicate: use E2A2]"@en . . "Eumorphoceras bisulcatum Marine Band [Obsolete: use E2A2]"@en . . "Mudstone. Stratified bedrock. Occurs onshore. Deposited during the Arnsbergian Substage (Carboniferous Period) (327-323.75 Ma BP)."@en . . "stable"@en .