Amphorosphaeridium fenestratum subsp. dividum

subsp. dividum (Davey, 1969c, p.32-33, pl.2, figs.5-6; text-fig.2) Lentin and Williams, 1973, p.13.  Holotype: Davey, 1969c, pl.2, fig.5; Fensome et al., 1993a, fig.1 - p.1135; fig.2 - p.1181.  Originally Amphorosphaeridium fenestratum var. dividum, subsequently (and now) Amphorosphaeridium fenestratum subsp. dividum.  Age: Campanian-Maastrichtian. Parent: Amphorosphaeridium fenestratum