Title: Lithostratigraphy and conodont biostratigraphy across the lower-middle Ordovician disconformity (early to middle Whiterockian) at Pratt Ferry, central Alabama
Subjects: Conodonts, Geology, Limestone, Paleontology, Stratigraphic Geology, Unconformities (Geology)
Places: Alabama, Bibb County
Time periods: Ordovician