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Crinoid 4 Specimen Slab
$50.00At some stage in their life, most crinoids have a stem used to attach themselves to the substrate, but many live attached only as juveniles and become free swimming as…
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Crinoid Dizygocrinus Hisforcrinus Plaque
$50.00Dizygocrinus 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…
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Crinoid Ethelocriunus magister Replica
$28.00The large crowns with complex, branching, pinnulated arms and thick, ornamented plates suggests that Ethelocrinus magister preferred warm, shallow water environments in which food supplies of organic matter suspended in…
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Crinoid Holdfast Bulb Replica
$30.00Holdfasts 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…
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Crinoid Parisangulocrinus Replica
$25.00The calyx is truncated cone-shaped as in Rhadinocrinus. However, the arms are dichotomously forked up to four times. The anal sac is long, slender, and cob-like.
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Crinoid Saccocoma petinata Panel
$16.00Originating in the 150 million year old Jurassic Solnhofen Lithographic Limestone deposits near Bavaria, Germany, these pelagic (free-floating) comatulid crinoids are known as Saccocoma pectinata.
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Crinoid Scyphocrinus Plaque
$25.00Adult 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…
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