1. Beaty Centre for Species Discovery and Palaeobiology Section Canadian Museum of Nature Ottawa Ontario Canada
2. Ottawa‐Carleton Geoscience Centre and Department of Earth Sciences Carleton University Ottawa Ontario Canada
3. Royal Ontario Museum Toronto Ontario Canada
4. Department of Ecology and Evolutionary Biology University of Toronto Toronto Ontario Canada
5. Beijing Museum of Natural History Beijing People's Republic of China
6. State Key Laboratory of Palaeobiology and Stratigraphy Nanjing Institute of Geology and Palaeontology, CAS Nanjing People's Republic of China