Stover and Helby, 1987a
From dinoflaj2
Stover, L.E. and Helby, R., 1987a: Some Australian Mesozoic microplankton index species. In: Jell, P.A. (editor), Studies in Australian Mesozoic palynology; Memoir of the Association of Australasian Palaeontologists, no.4, p.101-134.
