Phthanoperidinium coreoides

coreoides (Benedek, 1972, p.20, pl.9, figs.4a-c) Lentin and Williams, 1976, p.76.  Emendation: Benedek and Sarjeant, 1981, p.328-330, as Phthanoperidinium coreoides.  Holotype: Benedek, 1972, pl.9, figs.4a-c; Benedek and Sarjeant, 1981, fig.3, nos.2,4; fig.5.  Originally Hystrichogonyaulax, subsequently (and now) Phthanoperidinium.  Taxonomic senior synonym: Peridinium (now Phthanoperidinium) comatum, according to Stover and Evitt (1978, p.118) - however, Benedek and Sarjeant (1981, p.328-330) retained Phthanoperidinium coreoides.  Age: mid Oligocene.

Parent: Phthanoperidinium