Norris, 1986
From dinoflaj3
Norris, G., 1986: Systematic and stratigraphic palynology of Eocene to Pliocene strata in the Imperial Nuktak C-22 well, Mackenzie Delta region, District of Mackenzie, N.W.T. Geological Survey of Canada, Bulletin 340, p.1-89, pl.1-14.