Cleistosphaeridium disjunctum

"disjunctum" Davey et al., 1966, p.169–170, pl.11, fig.9.  Holotype: Davey et al., 1966, pl.11, fig.9; Bujak et al., 1980, pl.8, figs.1–2.  Taxonomic senior synonym: Hystrichosphaeridium (as Lingulodinium) machaerophorum, according to Reid (1974, p.591).  Age: early Eocene.

Parent: Cleistosphaeridium