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

Now Hystrichosphaerina. Originally (and now) Hystrzchosphaerina, subsequently Systematophora, thirdly Polystephanephorus. Stancliffe and Sarjeant, 1990 retained this species in Hystrichosphaerina Alberti, 1961.

Holotype: Alberti, 1961, pl.10, figs.4a-b
Age: Turonian