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This Specimen has been sold.
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5.4" Fossil Crinoid Holdfasts and Gastropod Plate - Indiana
This 5.4" wide plate features two holdfasts ("roots") from crinoids of the species Eucalyptocrinus crassus, preserved alongside a gastropod of the species Platystroma niagrensis. The specimen is Silurian in age (430 million years old) and was collected from the Waldron Shale of Indiana. The rock has been meticulously worked away to expose the fossils.
It comes with an acrylic display stand.
It comes with an acrylic display stand.
Crinoids, sometimes commonly referred to as sea lilies, are animals, not plants. They are echinoderms related to starfish, sea urchins, and brittle stars. Many crinoid traits are like other members of their phylum; such traits include tube feet, radial symmetry, a water vascular system, and appendages in multiples of five (pentameral). They first appeared in the Ordovician (488 million years ago) and some species are still alive today.
SPECIES
Eucalyptocrinus crassus (Holdfasts) & Platystroma niagrensis (Gastropod)
LOCATION
Waldron, Indiana
FORMATION
Waldron Shale
SIZE
Entire Specimen: 5.4 x 4.7"
CATEGORY
SUB CATEGORY
ITEM
#281499
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