de Vernal, A., Londeix, L., Mudie, P.J., Harland, R., Morzadec-Kerfourn, M., Turon, J.-L. and Wrenn, J.H.,
1992
Quaternary organic-walled dinoflagellate cysts of the North Atlantic Ocean and adjacent seas: ecostratigraphy and biostratigraphy.
In: Head, M.J. and Wrenn, J.H. (editors), Neogene and Quaternary Dinoflagellate Cysts and Acritarchs, p.289-328, pl.1-8; American Association of Stratigraphic Palynologists Foundation, Dallas, U.S.A.