Hystrichosphaeridium mineralosum

?mineralosum Varma and Dangwal, 1964, p.64–65, pl.1, figs.8–12; pl.2, fig.1.  Holotype: Varma and Dangwal, 1964, pl.1, fig.9.  Originally Hystrichosphaeridium, subsequently (and now) Hystrichosphaeridium?.  Questionable assignment: Stover and Evitt (1978, p.56) as a problematic species.  Age: Eocene–Oligocene.

Parent: Hystrichosphaeridium

Infrataxon List:

Hystrichosphaeridium mineralosum subsp. jekhowskyi
Hystrichosphaeridium mineralosum subsp. labiatum
Hystrichosphaeridium mineralosum subsp. mineralosum