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10.3" Fossil Crinoid Plate (Three Species) - Crawfordsville, Indiana
This is a beautiful, 10.3" wide plate of detailed fossil crinoids (four crinoids - three species) from Crawfordsville, Indiana. These fossils have been microscopically prepared using air abrasives, revealing their intricate details and three dimensional preservation.
The four crinoids crinoids include Cyathocrinites multibrachiatus (.9" long), Abrotocrinus occidentalis (1.5" long), and two of the species Macrocrinus mundulus (1.05" & 2.7" long including stem). Bryozoans, a brachiopod, and additional crinoid stems can be found scattered throughout the matrix as well.
It comes with a display stand.
The four crinoids crinoids include Cyathocrinites multibrachiatus (.9" long), Abrotocrinus occidentalis (1.5" long), and two of the species Macrocrinus mundulus (1.05" & 2.7" long including stem). Bryozoans, a brachiopod, and additional crinoid stems can be found scattered throughout the matrix as well.
It comes with a display stand.
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.
$295
SPECIES
Macrocrinus mundulus (x2), Abrotocrinus occidentalis & Cyathocrinites multibrachiatus
LOCATION
Crawfordsville, Indiana
FORMATION
Edwardsville Formation
SIZE
10.3 x 7.4" rock
CATEGORY
SUB CATEGORY
ITEM
#325763
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