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This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. --- See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher 动物 哺乳动物 熊猫 熊猫
animal trilobite fossil asaphus extinct species Fossil Of The Asaphus Species clip art 化石 物种 Asaphus 物种化石剪贴画