is 364.23 KB, has a resolution of 1024x1024 pixels and was uploaded on October 18, 2018 @ 8:25 pm by user: larawaer. It is filed under the tags: cambrian series 3, invertebrate, burgess shale, cambrian, charles doolittle walcott. Click the blue button at the top to freely download: Fossil Burgess Shale Type Fauna Polychaete Worm Burgessochaeta png.