Hystrichosphaerina turonica Alberti, 1961

Originally (and now) Hystrichosphaerina, subsequently Systematophora, thirdly Polystephanephorus.
Yun, 1981, transferred this species to Polystephanephorus Sarjeant, 1961. Stancliffe and Sarjeant, 1990, retained it in Hystrichosphaerina.

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