1.3" Fossil Sea Cucumber (Achistrum) - Mazon Creek

This is a 1.3", fossil sea cucumber (Achistrum) from the Carbondale Formation near Essex, Illinois. It is preserved in an ironstone nodule.

Sea cucumbers are sea floor dwelling echinoderms with tube bodies, leathery skin and an endoskeleton.

DETAILS
SPECIES
Achistrum sp.
LOCATION
Essex, Illinois
FORMATION
Carbondale Formation
SIZE
1.3" sea cucumber, 2.7 x 1.6" nodule
ITEM
#120937
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