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"Haikouella lanceolata (Primitif chardate – ancestral vertebrate), Locality: Maotianshan Shales Chengjiang County, Yunnan Province, Size : of Haikouella 5.2 cm. 8 September 2010. Author: Dwergenpaartje. This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
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