From Fensome et al., 2019:

Neodiacrodium, Fedorova-Shakhmundes, 1976, p.94.
Fedorova-Shakhmundes (1976, p.94) considered this to be an acritarch genus, but Lentin in Lentin and Williams (1993, p.447) determined it to be a dinoflagellate genus.
Type: Fedorova-Shakhmundes, 1976, pl.1, figs.7,7a, as Neodiacrodium longiprocessatum.