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Palaeocystodinium rhomboides ssp. incertum
Palaeocystodinium rhomboides ssp. incertum (Deflandre, 1936) Lentin and Williams, 1973
Originally Ceratium fusus forma incertum (based on motile stage), subsequently (and now) Palaeocystodinium? rhomboides subsp. incertum.
Holotype: not designated.
Lectotype: Deflandre, 1936b, pl.10, fig.8, designated by Lentin and Williams (1993, p.476).
Age: Senonian
Originally Ceratium fusus forma incertum (based on motile stage), subsequently (and now) Palaeocystodinium? rhomboides subsp. incertum.
Holotype: not designated.
Lectotype: Deflandre, 1936b, pl.10, fig.8, designated by Lentin and Williams (1993, p.476).
Age: Senonian