Eaton, 1971
From dinoflaj3
Eaton, G.L., 1971: A morphogenetic series of dinoflagellate cysts from the Bracklesham Beds of the Isle of Wight, Hampshire, England. In: Farinacci, A. (editor), Proceedings of the 2nd Planktonic Conference, Rome, 1970, p.355-379, pl.1-4; Edizioni Tecnoscienza, Rome.