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 Date: 2007-09-10 07:10:21Historical geology Fossils Cambrian Monomorphichnus Rusophycus Fortune Head Ediacaran Gyrolithes Cruziana Paleontology Trace fossils Extinction |
| Earthlearningidea Trail-making Making your own “fossil” animal trails Trilobite-trail thinking This is a picture of a fossil trilobite; it lived on theDocID: y2Vt - View Document |
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