Kurita and Matsuoka, 1995
From dinoflaj3
Kurita, H. and Matsuoka, K., 1995: Trinovantedinium boreale Bujak - dominated dinoflagellate assemblages in Eocene-Oligocene stratified water in northern Japan. Review of Palaeobotany and Palynology, v.84, p.129-153, pl.1-2.