Hystrichokolpoma unispinum

unispinum Williams and Downie, 1966a, p.179–180, pl.17, figs.6–7.  Holotype: Williams and Downie, 1966a, pl.17, fig.7; Bujak et al., 1980, pl.3, figs.1–3; Fauconnier and Masure, 2004, pl.42, figs.4–6.  Davey and Verdier (1976, p.316) considered this species to be a possible taxonomic synonym of Hystrichosphaeridium (now Florentinia) deanei, the type material of Hystrichokolpoma unispinum representing possibly reworked Cretaceous specimens.  Age: early Eocene.

Parent: Hystrichokolpoma