This auction features seven well-preserved coral fossils, representing both solitary colonial varieties. Winner gets all seven specimens, as shown in the photo below. Each comes with a professional looking identification label giving the coral's scientitic name, location, geologic period, and age. See ruler in photo for scale. Detailed descriptions of each specimen follows the photo. Low starting bid and no reserve. Buyer to pay actual shipping costs. Thank you!

A. Heliophyllum halli, a rugose "horn coral" from Arkona, Ontario, Canada, Hungry Hollow Formation, Devonian Period, approx. 380 million years old.

B. Grewingkia canadensis, a rugose or solitary "horn coral" from Warren County, Ohio, Liberty Formation, Upper Ordovician, approx. 450 million years.

C. 3 unidenified horn coralswith nice reddish and purplishing colors, from Warren County, Ohio, Liberty Formation, Upper Ordovician, approx. 450 million years.

G. Favosites, a ball-shapped colonial coral from St. Paul, Indiana, Waldron Formation, Silurian Period, approx. 420 million years old.

EAstrhelia palmataA colonial coral from Aurora, NC, Pungo or Yorktown Formation, Miocene - Pliocene, Approx. 5-10 million years. E and F were sectioned to reveal internal structures.