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  • Crinoid Dizygocrinus Hisforcrinus Plaque

    Dizygocrinus is recognized from both the late Osagean and Meramecian on both the eastern and western margins of the Illinois Basin. Dizygocrinus is first recognized virtually simultaneously on both the…

    $50.00
  • Crinoid Holdfast Bulb Replica

    Holdfasts vary in shape and form depending on both the species and the substrate type. The holdfasts of organisms that live in muddy substrates often have complex tangles of root-like…

    $30.00
  • Crinoid Scyphocrinus Plaque

    Adult crinoids Scyphocrinus are characterized by having the mouth located on the upper surface. This is surrounded by feeding arms, and is linked to a U-shaped gut, with the anus…

    $25.00