Matsuoka and Head, 1992

Matsuoka, K. and Head, M.J., 1992: Taxonomic revision of the Neogene marine palynomorphs Cyclopsiella granosa (Matsuoka) and Batiacasphaera minuta (Matsuoka) and a new species of Pyxidinopsis Habib (Dinophyceae) from the Miocene of the Labrador Sea. In: Head, M.J. and Wrenn, J.H. (editors), Neogene and Quaternary Dinoflagellate Cysts and Acritarchs, p.165-180, pl.1-3; American Association of Stratigraphic Palynologists Foundation, Dallas, U.S.A.