Rhombodinium freienwaldense

?freienwaldense (Gocht, 1955, p.87; text-figs.2a–b) Costa and Downie, 1979, p.44.  Holotype: Gocht, 1955, text-fig.2b.  Originally Rhombodinium draco forma freienwaldense, subsequently Rhombodinium draco subsp. freienwaldense, thirdly (and now) Rhombodinium? freienwaldense.  Questionable assignment: Williams et al. (2015, p.311).  Taxonomic senior synonym (at specific rank): Rhombodinium rotundatum, by implication in Costa and Downie (1979, p.44), who believed Rhombodinium freienwaldense to be the senior name — however, Grabowska in Malinowskiej and Piwockiego (1996, p.343) retained Rhombodinium freienwaldense.  Grabowska in Malinowskiej and Piwockiego (1996, p.343) also proposed this combination.  Age: middle Oligocene.

Parent: Rhombodinium