From Williams et al., 2017:

[Pterospermopsis, Wetzel, 1952, p. 411; Emendation: Sarjeant, 1984a, p. 143–145.
Acritarch genus.
For synonymy see Fensome et al., 1990.

Type species: Pterospermopsis danica, Wetzel, 1952 (pl.16, fig.34)]