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KGS Home > Fossils > Invertebrate Fossils > Echinodermata
Starfish (Asteroidea and Ophiuroidea)

The Mississippian starfish Onychaster

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.

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

 

 

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