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I am new on this net and an amateur paleo. so I hope this falls within the acceptable conversational limits. In the July 8 edition of Science News was an article "The Ediacaran Enigma" wherein the author (Richard Monastersky) discusses several new interpretations of the 'Edicaran fauna'. One of the researchers cited, Gregory J. Retallack of the Univ. of Oregon, puts forth a case that these fossils are the fossils of lichens. My question to the net is: do we know of any other cases where fossil lichens have been unambiguously identified? Thank you, <+><+><+><+><+><+><+><+><+><+><+><+><+><+><+><+><+><+><+><+><+><+><+> ^ ^ ^ _/ _/_/_/ _/ Richard "Rik" Hill ^ ^ _/ _/ _/ _/ Planetary Occultations Group ^ ^ _/ _/_/_/ _/ Planetary Atmospheres Group ^ ^ _/ _/ _/ LUNAR & PLANETARY LAB. ^ ^ _/ _/ _/ Univ. of Arizona ^ ^ _/_/_/_/ _/ _/_/_/_/ Tucson, Az 85721 ^ ^ ^ ^ rhill@lpl.arizona.edu ^ ^ http://www.lpl.arizona.edu/~rhill ^ <+><+><+><+><+><+><+><+><+><+><+><+><+><+><+><+><+><+><+><+><+><+><+>
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