Additional
Information: The monotremes are the egg-laying mammals. Like reptiles and birds, they lay eggs rather than having live birth. The only living representatives of this group are the platypus and the echidnas (spiny anteaters).
Living monotremes are found only in A
Monotremata Monotremata: Information about platypus (Ornythorhynchus), platypus research in Tasmania, and the two echidna species (Tachyglossus and Zaglossus). Includes photographs of hatching and young echidnas. (Monotremata) http://www.healthsci.utas.edu.au/medicine/research/mono/Monotremata.html
Introduction to the Monotremata Introduction to the Monotremata: Berkeley's introduction to monotremes, with information about their fossil record, biology, systematics, ecology and morphology. (Monotremata) http://www.ucmp.berkeley.edu/mammal/monotreme.html