Hystrichosphaeridium crassipes

"crassipes" (Reade, 1839, pl.9, figs.2–5) Lejeune-Carpentier, 1941, p.B79–B80.  Emendation: Lejeune-Carpentier and Sarjeant, 1981, p.10, as Hystrichokolpoma? crassipes.  Holotype: Reade, 1839, pl.9, fig.2, lost according to Lejeune-Carpentier and Sarjeant (1981, p.11).  Neotype: Lejeune-Carpentier, 1941, fig.9; Lejeune-Carpentier and Sarjeant, 1981, pl.3, fig.3; text-fig.6; designated by Lejeune-Carpentier and Sarjeant (1981, p.11).  NOW Hystrichokolpoma?.  Originally Xanthidium (Appendix A), subsequently Hystrichosphaeridium, thirdly Litosphaeridium?, fourthly (and now) Hystrichokolpoma?.  Taxonomic junior synonym: Hystrichosphaeridium (as Pervosphaeridium) truncigerum, by implication in Yun Hyesu (1981, p.27), who considered Hystrichosphaeridium (as Pervosphaeridium) truncigerum to be the senior synonym — however, Lentin and Williams (1985, p.282) retained Hystrichosphaeridium (as Pervosphaeridium) truncigerum.  Age: Late Cretaceous.

Parent: Hystrichosphaeridium