He Chengquan and Sun Xuekun, 1996
From dinoflaj3
He Chengquan and Sun Xuekun, 1996: Tianjinella, a new dinoflagellate genus from the Eocene of southern Tianjin, China. Review of Palaeobotany and Palynology, v.92, p.383-388, pl.1-2.