Trichodinium intermedium

intermedium Eisenack and Cookson, 1960, p.6, pl.2, figs.5–6.  Holotype: Eisenack and Cookson, 1960, pl.2, fig.5; Jan du Chêne et al., 1986a, pl.120, fig.1.  Taxonomic junior synonym: Trichodinium castanea, by implication in Clarke and Verdier (1967, p.19), who believed Trichodinium castanea to be the senior name — however, Morgan (1980, p.33) retained the two species.  Age: Aptian–early Albian.

Parent: Trichodinium