Bluefer

    Bluefer (Purpleshell)

    Potamilus purpuratus
    Photo of a papershell crayfish, also called calico crayfish.

    Calico Crayfish (Papershell Crayfish)

    Faxonius immunis (formerly Orconectes immunis)
    elephant's ear

    Elephantear

    Elliptio crassidens
    exclamation mark

    Endangered

    Monkey Face Mussel

    Freshwater Mussels

    Bivalve molluscs in order Unionoida
    pink heelsplitter

    Pink Heelsplitter

    Potamilus alatus
    scaleshell

    Scaleshell

    Leptodea leptodon
    exclamation mark

    Endangered

    spike

    Spike (Ladyfinger)

    Elliptio dilatata