Hystrichosphaeridium grallaeforme

"grallaeforme" Brosius, 1963, p.42, pl.5, fig.3; text-fig.2.  Holotype: Brosius, 1963, pl.5, fig.3.  NOW Achomosphaera.  Originally Hystrichosphaeridium, subsequently (and now) Achomosphaera, thirdly Spiniferites (combination not validly published).  Taxonomic junior synonym: Spiniferites solidago, according to Strauss et al. (2001, p.412).  Age: Oligocene.

Parent: Hystrichosphaeridium