Hystrichosphaerina turonica
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turonica Alberti, 1961, p.39, pl.10, figs.4a-b. Holotype: Alberti, 1961, pl.10, figs.4a-b. Originally (and now) Hystrichosphaerina, subsequently Systematophora, thirdly Polystephanephorus. Stancliffe and Sarjeant (1990, p.204) retained this species in Hystrichosphaerina. Age: Turonian.
Parent: Hystrichosphaerina