GREWINGKIA canadensis solitary horn coral. Largest of the Horn Corals from the Cincinnatian fossil layers. Coral is 4 3/4 cm long by 3 1/2 cm wide. Specimen is slightly flattened.
Route 1 N. Roadcut
St. Leon, Indiana
Comes is this handsome 3 x 4 inch glass topped collectors display case.
Specimen in the picture is the specimen you will receive.