From Williams et al., 2017:

[Angularia, Samoilovitch in Samoilovitch and Mtchedlishvili, 1961, p. 255–256.
Acritarch genus.

Type species: Angularia viridula, Samoilovitch in Samoilovich and Mtchedlishvili, 1961 (pl.83, figs.5a–c)]