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3.6" Fossil Crinoid Plate (Two Species) - Crawfordsville, Indiana
This is a beautiful 3.6" plate of detailed fossil crinoids from Crawfordsville, Indiana. There are four crinoids representing two separate species. These fossils have been microscopically prepared using air abrasives, revealing their intricate details and three dimensional preservation. The two species of crinoids include Macrocrinus mundulus (x3) and Scytalocrinus disparilis.
An acrylic display stand will accompany your purchase.
An acrylic display stand will accompany your purchase.
Crinoids from the Ramp Creek Limestone were likely buried in sediment from nearby deltas during storms. The resulting siltstone deposits are soft enough that fossils can be extracted in exquisite, three-dimensional relief.
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.
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
Macrocrinus mundulus (x3) & Scytalocrinus disparilis
LOCATION
Crawfordsville, Indiana
FORMATION
Edwardsville Formation
SIZE
Longest crinoid: 3.1" long (including stem), Rock: 3.6 x 3.3"
CATEGORY
SUB CATEGORY
ITEM
#325653
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