. . . "E2C1"@en . "Nuculoceras stellarum Marine Band"@en . . . "Mudstone. Stratified bedrock. Occurs onshore. Deposited during the Arnsbergian Substage (Carboniferous Period) (327-323.75 Ma BP)."@en . . "stable"@en . . . "327.0"^^ . "323.75"^^ . "Nuculoceras stellarum Marine Band [Duplicate: use E2C1]"@en . . "Mudstone."@en . "Nuculoceras stellarum Marine Band"@en . .