Text Published With Plate -- Lateral views of 5 specimens representing a sequence of growth stages. All from collection 60PJ-32. OSU 27450, 27451, 27452, 27453, 27454 References : Bergstrom and Sweet: Conodonts from the Lexington Limestone (Middle Ordovician) of Kentucky and it's Lateral Equivalents in Ohio and Indiana, Bulletins of American Paleontology, V 50, 1966 pg. 267-442