Schiøler and Wilson, 1998
From dinoflaj2
Schiøler, P. and Wilson, G.J., 1998: Dinoflagellate biostratigraphy of the middle Coniacian-lower Campanian (Upper Cretaceous) in south Marlborough, New Zealand. Micropaleontology, v.44, no.4, p.313-349, pl.1-11.