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Hystrichosphaeridium cribrotubiferum

"Hystrichosphaeridium cribrotubiferum" Sarjeant, 1960a, p.137, pl.6, figs.2-3; text-fig.1.

EMENDATIONS: Davey et al., 1966, p.161 and Stancliffe and Sarjeant, 1990, p.207, both as Surculosphaeridium cribrotubiferum.

TYPE: Holotype: Sarjeant, 1960a, pl.6, fig.2; text-fig.1; Stancliffe and Sarjeant, 1990, text-fig.3, nos.4,6.

HISTORY: NOW: Surculosphaeridium. Originally Hystrichosphaeridium, subsequently (and now) Surculosphaeridium.

AGE: Early Oxfordian.


Infraspecific taxa:


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