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A Heliomedusa orienta lampshell, Order Paterinata, Family Mickwitziidae, 15mm across, collected at the Chengjiang Formation, Yunnan, China, from the Lower Cambrian (Stage 3). 25 October 2011. Author: Dwergenpaartje. This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. |
