Difference between revisions of "Ovoidinium verrucosum subsp. ostium"

Revision as of 13:53, 2 December 2016

subsp. ostium (Davey, 1970, p.353, pl.4, figs.5-6; text-fig.1B) Lentin and Williams, 1975, p.2153.  Holotype: Davey, 1970, pl.4, fig.5.  Originally Ovoidinium ostium, subsequently Ovoidinium verrucosum var. ostium, thirdly (and now) Ovoidinium verrucosum subsp. ostium, fourthly Ascodinium verrucosum subsp. ostium.  Lentin and Williams (1989, p.270) retained this taxon as Ovoidinium verrucosum subsp. ostium.  Age: Albian-Early Cenomanian.