Trace fossils from the Rock Bluff Limestone (Pennsylvanian, Kansas) Trace fossils from the Rock Bluff Limestone (Pennsylvanian, Kansas)
Trace fossils and depositional environment of four clastic units, Upper Pennsylvanian megacyclothems, northeast Kansas Trace fossils and depositional environment of four clastic units, Upper Pennsylvanian megacyclothems, northeast Kansas