Crinoid fossils. Lived 330 mya.  Found in Kentucky in the Leitchfield area.
Crinoid fossils. Lived 330 mya.  Found in Kentucky in the Leitchfield area.
Crinoid fossils. Lived 330 mya.  Found in Kentucky in the Leitchfield area.
Acrocyathus, a Colonial Rugose Coral from KY. That lived 341 mya. Made of quartz, agate, & chert.
Crinoid fossils. Lived 330 mya.  Found in Kentucky in the Leitchfield area.
Fossil Coral Cabochons.  FL & KY.
Interesting tabulate coral fossilization.  Calcite honeycomb coral.  Lived 449 mya.  Found in KY.
Interesting tabulate coral fossilization.  Calcite honeycomb coral.  Lived 449 mya.  Found in KY.
Acrocyathus, a Colonial Rugose Coral fossil from KY. That lived 341 mya.   A. floriformus.
Tabulate coral fossil from Nashville TN
Crinoid fossils. Lived 330 mya.  Found in Kentucky in the Leitchfield area.
Crinoid fossils. Lived 330 mya.  Found in Kentucky in the Leitchfield area.
Acrocyathus, a Colonial Rugose Coral from KY. That lived 341 mya. Made of quartz, agate, & chert.
Colonial Rugose Coral, Acrocyathus.  From Kentucky.  Lived 341 mya.
Crystallized Fossil Coral from Nashville TN 457 MYA
Colonial Rugose Coral, Acrocyathus.  From Kentucky.  Lived 341 mya.
Fossilized Acrocyathus floriformus Coral twins.  Lived 342 mya.  Found in Kentucky.
Fossil from Nashville TN.  Might be a bryzoan or coral 457 mya.
Acrocyathus, a Colonial Rugose Coral from KY. That lived 341 mya. Made of quartz, agate, & chert.
Acrocyathus, a Colonial Rugose Coral from KY. That lived 341 mya. Made of quartz, agate, & chert.
Tabulate Fossil Coral from Middle Tennessee.  About 450 million years old.
Crinoid fossils. Lived 330 mya.  Found in Kentucky in the Leitchfield area.
Fossilized Acrocyathus floriformus Coral twins.  Lived 342 mya.  Found in Kentucky.
Large High Organic Content Calcite and Minor Marcasite Pseudomorph after Fossil Colonial Coral, from the Rensselaer Quarry, Indiana