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Tenua brevispinosa

"Tenua brevispinosa" (Pocock, 1962, p.81, pl.14, figs.222-223) Brideaux, 1977, p.15.

EMENDATION: Brideaux, 1977, p.15-16, as Tenua brevispinosa.

TYPE: Holotype: Pocock, 1962, pl.14, fig.222; Jansonius, 1986, pl.4, fig.6.

HISTORY: NOW: Circulodinium. Originally Palaeohystrichophora, subsequently Tenua Eisenack, thirdly Canningia?, fourthly Cyclonephelium, fifthly (and now) Circulodinium.

AGE: Barremian.


Infraspecific taxa:


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