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Tubotuberella sphaerocephalum

"Tubotuberella sphaerocephalum" Vozzhennikova, 1967, p.181, pl.103, figs.1a-b,2,3a-b; pl.104, figs.4,5a-b.

TYPE: Holotype: Vozzhennikova, 1967, pl.103, fig.2; Lentin and Vozzhennikova, 1990, text-fig.55; lost according to Lentin and Vozzhennikova (1990, p.98).

HISTORY: Originally Tubotuberella, subsequently Dimidiadinium.

SYNONYM(S): Taxonomic senior synonym: Gonyaulax (as and now Gonyaulacysta) eisenackii, according to Sarjeant (1982b, p.32).

AGE: Late Jurassic.


Infraspecific taxa:


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