Fensome et al., 1993b
From dinoflaj2
Fensome, R.A., Taylor, F.J.R., Norris, G., Sarjeant, W.A.S., Wharton, D.I. and Williams, G.L., 1993b: A classification of fossil and living dinoflagellates. Micropaleontology Press Special Paper, no.7, 351 p. (Cited as Fensome et al., 1993b in text.)