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Hystrichosphaerina sarjeantii

Hystrichosphaerina sarjeantii (Gitmez, 1970, p.291-292, pl.11, fig.4; text-fig.25) Duxbury, 1980, p.126.

TYPE: Holotype: Gitmez, 1970, pl.11, fig.4; text-fig.25.

HISTORY: Originally Polystephanephorus, subsequently Emmetrocysta, thirdly (and now) Hystrichosphaerina, fourthly Stiphrosphaeridium. Stancliffe and Sarjeant (1990, p.204) retained this species in Hystrichosphaerina.

AGE: Early Kimmeridgian.


Infraspecific taxa:


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