3.5" Fossil Crinoid (Uperocrinus & Steganocrinus) Plate - Missouri

This is a 3.5" wide piece of limestone full of crinoid fossils from the Burlington Formation of Missouri. There are crinoid calyxes of Uperocrinus pyriformis and Steganocrinus pentagonus on the limestone.

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.


DETAILS
SPECIES
Uperocrinus pyriformis & Steganocrinus pentagonus
LOCATION
Ralls County, Missouri
FORMATION
Burlington Formation
SIZE
3.5 x 3"
CATEGORY
SUB CATEGORY
ITEM
#162692
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