Phthanoperidinium tritonium

"tritonium" Eaton, 1976, p.299-300, pl.17, figs.2-3,6-7; text-figs.23C,24A-B.  Holotype: Eaton, 1976, pl.17, fig.3; text-figs.24A-B; Bujak et al., 1980, pl.5, figs.7-8.  Taxonomic senior synonym: Peridinium (now Phthanoperidinium) comatum, according to Bujak in Bujak et al. (1980, p.72).  Age: Early-Mid Eocene (see Aubry, 1986).

Parent: Phthanoperidinium