Prostate evolution in monotreme mammals

The monotremes (egg laying mammals) represent the order of extant mammals most distantly related to humans. The platypus (Ornithorhynchus anatinus) is indigenous to eastern Australia; the short-beaked echidna (Tachyglossus aculeatus) is indigenous to Australia and Papua New Guinea; whereas the long-beaked echidna (Zaglossus bruijni) is restricted to Papua New Guinea and Irian Jaya.

This neuron ends here.