Hystrichosphaeridium unituberculatum

"unituberculatum" Tasch in Tasch et al., 1964, p.194, pl.3, fig.8.  Holotype: Tasch et al., 1964, pl.3, fig.8; Eisenack and Kjellström, 1972, p.713; Fensome et al., 1995, fig.1 - p.1861.  NOW Kiokansium.  Originally Hystrichosphaeridium, subsequently Kiokansium.  Taxonomic junior synonyms (at specific rank): Hystrichosphaeridium recurvatum subsp. polypes (as Kiokansium polypes), by implication in Duxbury (1983, p.49), who considered Kiokansium polypes to be the senior name; Hystrichosphaeridium aruncium, Hystrichosphaeridium eccentrum, Hystrichosphaeridium entomium, Hystrichosphaeridium fabium, Hystrichosphaeridium follium, Hystrichosphaeridium kiowanum, Hystrichosphaeridium magnarmatum, Hystrichosphaeridium marsupium, Hystrichosphaeridium perovatum, Hystrichosphaeridium protellipticum, Hystrichosphaeridium replexum, Hystrichosphaeridium tribrachiosum, Hystrichosphaeridium triradicosum, and Hystrichosphaeridium valgum, all according to Stover and Evitt (1978, p.267).  Age: Albian.

Parent: Hystrichosphaeridium