Birdenville, Bed 2 Zaphrentis aquivalva Camaroplana muthensis Pecten oblongus Pentamerites folios Gyroptera Muckropta Prismofora serrulata. Beds 4,6,9. Cheta forma Burygo a + Branchiferia, Bed 10. Fossil form in Cement ine. Birdenville, Rather rare. Archimedes confertus Bed 1. Most common Archimedes smallmanni Archimedes lateralis Archimedes muckmanni begin to St Genevieve Falsamia triforma Bed 2 Pterocrinus middle Colpitals Pterocrinus acutus Middle Pterocrinus depressus middle. Pterocrinus acutus Middle Birdenville is most from lifera Archimedes Terebriformis is very common.