Monkey Face Mussel

    Freshwater Mussels

    Bivalve molluscs in order Unionoida
    paper pondshell

    Paper Pondshell (Paper Floater)

    Utterbackia imbecillis
    pond mussel

    Pond Mussel

    Ligumia subrostrata
    Photo of a pink planarian on a rock.

    Turbellarians (Planarians; Free-Living Flatworms)

    Species in genera Dugesia, Planaria, etc.
    yellow sandshell

    Yellow Sandshell

    Lampsilis teres