From Williams et al., 2017:

[Bulbosia, Ott in Riding and Helby, 2001e, p. 128.
Name not validly published: no description.

Tax. sr. syn.: Tringadinium, by implication in Riding and Helby (2001e, p. 128), who included the only species name, Bulbosia tithonica (name not validly published), in synonymy with Tringadinium bjaerkei.


No description published.]