Morphology and Evolution of TurtlesDonald B. Brinkman, Patricia A. Holroyd, James D. Gardner · First published 2012Open the Tome
New Pterodontinae (Creodonta: Hyaenodontidae) from the late Eocene-early Oligocene Jebel Qatrani Formation, Fayum province, EgyptPatricia A. Holroyd · First published 1999Open the Tome