Mazon Creek fauna and flora: a hundred years of investigation / Matthew H. Nitecki -- Pennsylvanian sedimentation in northern Illinois: examination of delta models / Charles Wright Shabica -- Lithology and fossil distribution, Francis Creek Shale in northeastern Illinois / Gordon C. Baird -- The occurrence and origin of siderite concretions in the Francis Creek Shale (Pennsylvanian) of northeastern Illinois / Bertram G. Woodland and Richard C. Stenstrom -- Evidence of soft-sediment cementation enclosing Mazon plant fossils / James M. Schopf -- High diversity and stratigraphic age of the Mazon Creek flora / Hermann W. Pfefferkorn -- The Mazon Creek flora: review of research and bibliography / Alan Stanley Horowitz -- The Mazon Creek biotas in the context of a Carboniferous faunal continuum / Frederick R. Schram -- Soft-bodied coelenterates in the Pennsylvanian of Illinois / Merrill W. Foster -- A reappraisal of Tullimonstrum gregarium / Merrill W. Foster -- Gastropoda of the Essex fauna, Francis Creek Shale (Middle Pennsylvanian), northeastern Illinois / David E. Schindel and Ellis L. Yochelson -- Polyplacophoran molluscs of the Essex fauna (Middle Pennsylvanian, Illinois) / Ellis L. Yochelson and Eugene S. Richardson, Jr. -- Middle Pennsylvanian (Desmoinesean) Cephalopoda of the Mazon Creek fauna, northeastern Illinois / W. Bruce Saunders and Eugene S. Richardson, Jr. -- The centipedes (Chilopoda) of the Mazon Creek / Peter Mundel -- Evidence for subaerial activity of Euproops danae (Merostomata, Xiphosurida) / Daniel C. Fisher -- New Chondrichthyes from the Mazon Creek fauna (Pennsylvanian) of Illinois / Rainer Zangerl -- Fishes of the Mazon Creek fauna / David Bardack -- Amphibamus grandiceps as a juvenile Dissorophid: evidence and implications / John R. Bolt.