Starfish include two groups of echinoderms, the true stars (Asteroidea) and the brittle stars (Ophiuroidea). Both have been found in Kentucky, but all are very rare. Most have been found in Ordovician and Mississippian age strata. Several Mississippian forms like the Onychaster above, were found nestled between the arms of crinoids.
The Mississippian starfish Onychaster
The Mississippian starfish Onychaster

 

Can you find the fossils
Can you find two types of echinoderm fossils on this slab?
starfish fossil
starfish fossil

 

Ordovician starfish from limestone slab above
Ordovician starfish from limestone slab above
Ordovician starfish from limestone slab above
Ordovician starfish from limestone slab above
Ordovician starfish from limestone slab above
Ordovician starfish from limestone slab above

 

 

 

 

Last Modified on 2021-12-21
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