Pentadinium taeniagerum subsp. lophophorum

"subsp. lophophorum" Benedek, 1972, p.45, pl.6, figs.13a-b.  Holotype: Benedek, 1972, pl.6, figs.13a-b; Eisenack and Kjellström, 1975a, second page labelled "nach S.646"; Fensome et al., 1995, figs.1-4 - p.1609.  Taxonomic senior synonym (at specific and subspecific ranks): Pentadinium laticinctum subsp. lophophorum (now Pentadinium lophophorum), according to Benedek et al. (1982, p.275).  Age: mid Oligocene. Parent: Pentadinium taeniagerum