From Fensome et al., 2019:
Tenua kutharensis Khanna and Singh, 1981b, p.389–390, fig.1, nos.3,5; text-fig.1.
Holotype: Khanna and Singh, 1981b, fig.1, no.3. Originally Tenua Eisenack, subsequently Batiacasphaera?.
Taxonomic senior synonym: Sentusidinium bifidum, according to Wood et al. (2016, p.83).
This name was not validly published in Khanna (1979, p.216) and Singh et al. (1979, p.35–36) since no description was provided.
Age: Late Paleocene.

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