From Fensome et al., 2019:
Thalassiphora munda Davey and Verdier, 1973, p.196, pl.3, figs.5,7,10.
Holotype: Davey and Verdier, 1973, pl.3, fig.10.
NOW Disphaeria. Originally Thalassiphora, subsequently (and now) Disphaeria.
Taxonomic senior synonym: Erikania (as and now Thalassiphora) dynamica, according to Yun Hyesu (1981, p.70) — however, Lentin and Williams (1985, p.353) retained Thalassiphora (as Disphaeria) munda.

Locus typicus: Saint Florentin, France
Stratum typicum: Late Albian

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Original diagnosis: Davey and Verdier, 1973, p.196
The cyst consists of an ovoidal to subspherical, thin walled inner body surrounded by a very thin outer wall. Both inner body and outer wall are smooth; they are in contact in the ventral region but are separated in the lateral and dorsal regions, where separation is maintained by the presence of five large intratabular processes. The latter are hollow, narrow proximally but widen considerably distally here the outer edges of the processes become parallel to the inner body wall and expand to form the outer wall. The usual presence of a precingular archaeopyle, formed by the loss ofplate 3", allows orientation of the cyst and positioning of the processes. There appears to be two processes on the dorsal epitract and three on the dorsal hypotract.
Dimensions: Holotype- overall length 99 µm overall width 95 µm inner body length 53 µm: inner body width 45 µm.