Paleontological Sample - Microfossil Number: 4P-15029 Formation: Pre-Welden sh. Common Name: Conodont Scientific Name: Gnathodus punctatus Locality: Welden ("Type Welden"): RR cut in sec. 27, south of Ada, Oklahoma. = Lower part of St. Louis. Pre-Welden = thin clay shale zone less than 1 foot thick below the Welden= Bushberg- Hannibal horizon.
Summary
Paleontological Sample - Microfossil Number: 4P-15029 Formation: Pre-Welden sh. Common Name: Conodont Scientific Name: Gnathodus punctatus Locality: Welden ("Type Welden"): RR cut in sec. 27, south of Ada, Oklahoma. = Lower part of St. Louis. Pre-Welden = thin clay shale zone less than 1 foot thick below the Welden= Bushberg- Hannibal horizon.