Hystrichokolpoma unispinum
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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