Two Fossil Crinoids (Dizygocrinus & Synbathocrinus) - Missouri

This are two crinoids of the genus' Dizygocrinus and Synbathocrinus that were collected from the Keokuk Formation of Randolph County, Missouri. The rock has been meticulously removed using air abrasives to reveal the beautiful structure of these crinoids. There are bryozoan fossils that have been partially exposed, scattered throughout the rock.

The genus of the elongated crinoid is Synbathocrinus. 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.


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DETAILS
SPECIES
Dizygocrinus sp. & Synbathocrinus sp.
LOCATION
Randolph County, Missouri
FORMATION
Keokuk Formation
SIZE
4.2 x 2.6" rock
CATEGORY
SUB CATEGORY
ITEM
#148983
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