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Circulodinium brevispinosum

Circulodinium brevispinosum (Pocock, 1962, p.81, pl.14, figs.222-223) Jansonius, 1986, p.204.

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

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

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

COMMENTS: Helby (1987, p.324-325) also proposed this combination.

AGE: Barremian.


Infraspecific taxa:


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