Exochosphaeridium bifidum subsp. involutum (Davey, 1969c, p.29, pl.2, figs.1-3) Lentin and Williams, 1973, p.56.
EMENDATION: Marheinecke, 1992, p.52, as Exochosphaeridium bifidum subsp. involutum. TYPE: Holotype: Davey, 1969c, pl.2, fig.3. HISTORY: Originally Exochosphaeridium bifidum var. involutum, subsequently (and now) Exochosphaeridium bifidum subsp. involutum. AGE: Campanian-Maastrichtian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |