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Systematophora turonica

"Systematophora turonica" (Alberti, 1961, p.39, pl.10, figs.4a-b) Downie and Sarjeant, 1965, p.146.

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

HISTORY: NOW: Hystrichosphaerina. Originally (and now) Hystrichosphaerina, subsequently Systematophora, thirdly Polystephanephorus.

AGE: Turonian.


Infraspecific taxa:


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