1 State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China.
2 Bristol Palaeobiology Group, School of Earth Sciences, University of Bristol, Bristol BS8 1TQ, UK.
3 Department of Earth Sciences, University of Cambridge, Cambridge CB2 3EQ, UK.
4 Division of Invertebrate Zoology, American Museum of Natural History, New York, NY 10024-5192, USA.
5 Facultad de Ciencias Biológicas, Universidad Nacional Mayor de San Marcos, Lima 15081, Perú.
6 Departamento de Entomología, Museo de Historia Natural, Universidad Nacional Mayor de San Marcos, Lima 15072, Perú.