Harding, 1986a
From dinoflaj3
Harding, I.C., 1986a: An early Cretaceous dinocyst assemblage from the Wealden of southern England. In: Batten, D.J. and Briggs, D.E.G. (editors), Studies in Palaeobotany and Palynology in Honour of N.F. Hughes, Special Papers in Palaeontology, no.35, p.95-109, pl.16-17.