Systematophora schindewolfii (Alberti, 1961) Downie and Sarjeant, 1965

Now Hystrichosphaerina. Originally (and now) Hystrichosphaerina, subsequently Systematophora, thirdly Polystephanepaorus.
Taxonomic senior synonym: Hystrichosphaeridium (as and now Oligosphaeridium) anthophorum, according to Davey (1979c, p.65) — however, Lentin and Williams (1981, p.150) retained Systematophora (as Hystrichosphaerina) schindewolfii.
Taxonomic junior synonym: Perisseiasphaeridium eisenackii, according to Davey and Verdier (1974, p.640).

Holotype: Alberti, 1961, pl.10, figs.2-3
Age: Late Barremian-Turonian