Rainer Zangerl

• A new Specimen of Desmatochelys Lowi Williston; a Primitive Cheloniid sea Turtle From the Cretaceous of South Dakota
• Comparative Microscopic Dental Anatomy in the Petalodontida
• A new species of chelid turtle, Phrynops (Batrachemys) dahli, from Colombia
• Procolpochelys Grandaeva
• The paleoecological history of two Pennsylvanian black shales
• The paleoecological history of two Pennsylvanian black shales (Fieldiana: geology memoirs)