1.1" Eucalyptocrinus Crinoid Crown - Indiana

This is a crown of the crinoid Eucalyptocrinus crassus. It is Silurian in age (430 million years old) from the Waldron Shale of Indiana.

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.
DETAILS
SPECIES
Eucalyptocrinus crassus
LOCATION
St. Paul, Indiana
FORMATION
Waldron Shale
SIZE
Crown 1.1" tall
CATEGORY
SUB CATEGORY
ITEM
#61930
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