Basionym Name:Planoprotostelium aurantium L.S. Olive & Stoian., J. Elisha Mitchell scient. Soc. 87(3): 115 (1971)
Homotypic synonyms:Protostelium aurantium (L.S. Olive & Stoian.) Shadwick & Spiegel, in Shadwick, Silberman & Spiegel, J. Eukary. Microbiol. 65(3): 339 (2018)