Hystrichosphaeridium perifurcatum

"perifurcatum" Salujha et al., 1969, p.35–36, pl.4, figs.51–52,55,62.  Holotype: Salujha et al., 1969, pl.4, fig.51.  Taxonomic senior synonym: Hystrichokolpoma rigaudiae, according to Jain (1982, p.53).  Age: early Eocene.

Parent: Hystrichosphaeridium