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Start Over Subjects Mollusca -- classification ✖Remove constraint Subjects: Mollusca -- classification Titles Description of a new mollusk from the red sandstone, near Pottsville, Pa ✖Remove constraint Titles: Description of a new mollusk from the red sandstone, near Pottsville, Pa Publication Year 1855 ✖Remove constraint Publication Year: 1855

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  • Description of a new mollusk from the red sandstone, near Pottsville, Pa1