Coral Fossils
Streptelasma rusticum Rugosa Family Zaphrentidae Ordovician Richmond Formation, Ohio	Favosites hamiltoniae Tabulata Family Favositidae Eocene Jeffersonville Limestone, Kentucky	Favosites turbinatus Tabulata Family Favositidae Devonian Ferron Point Limestone, Michigan	Lithostrotionella custelnaui Rugosa Family Petalaxidae Mississippian Richmond Formation St. Louis, Missouri