Head et al., 1989b
From dinoflaj3
Head, M.J., Norris, G. and Mudie, P.J., 1989b: 26. New species of dinocysts and a new species of acritarch from the upper Miocene and lowermost Pliocene, ODP Leg 105, Site 646, Labrador Sea. In: Srivastava, S.P. et al., Ocean Drilling Program, Proceedings, Scientific Results, Leg 105, p.453-466, pl.1-5.