The earliest pelagic jellyfish with rhopalia from Cambrian Chengjiang Lagerstatte (vol 449, pg 166, 2016)
Han, Jian*; Hu, Shixue; Cartwright, Paulyn; Zhao, Fangchen; Ou, Qiang; Kubota, Shin; Wang, Xing; Yang, Xiaoguang
Palaeogeography, Palaeoclimatology, Palaeoecology, 2016, 451: 227-227.