Platypus Much Older Than Thought, Lived with Dinos http://news.nationalgeographic.com/news/2008/01/080122-platypus.html Australian Platypus Conservancy http://www.platypus.asn.au/ The Diplomatic Platypus http://www.poemhunter.com/poem/the-diplomatic-platypus/ The Enigma of the Echidna http://www.nwf.org/nationalwildlife/article.cfm?articleId=763&issueId=61 A History of the Earth,...