1. Dentition and Jaw of Kokopellia juddi, a Primitive Marsupial or Near-Marsupial from the Medial Cretaceous of Utah

   • Richard L. Cifelli
   • Christian de Muizon

   OriginalPaper Pages: 241 - 258

2. Chromosome Divergences Among American Marsupials and the Australian Affinities of the American Dromiciops

   • Angel E. Spotorno
   • Juan C. Marin
   • R. Eduardo Palma

   OriginalPaper Pages: 259 - 269

3. DNA–DNA Hybridization Evidence for the Recent Origin of Marmots and Ground Squirrels (Rodentia: Sciuridae)

   • Olivier Giboulet
   • Pascale Chevret
   • François Catzeflis

   OriginalPaper Pages: 271 - 284

4. Molecular Clocks and the Timing of the Placental and Marsupial Radiations in Relation to the Cretaceous–Tertiary Boundary

   • Mark S. Springer

   OriginalPaper Pages: 285 - 302

5. Recent Books of Interest

   Legacy Pages: 303 - 304