Subphylum Vertebrata, Gnathostomes, Tetrapods, Class Mammalia

  1. Overview.
  2. More on mammals is here.
  3. Warm-bloodedness in mammals.
  4. Mammalian Evolution Meeting: New Views on the Origins of Mammals.
monotreme button.gif (4926 bytes) Prototheria (Monotremes)  mammal_button.gif (6333 bytes) Eutheria (Placentals)
marsupial button.gif (6606 bytes) Metatheria (Marsupials)