Stein, F. (1878), Der Organismus der Infusionsthiere. III. Abteilung Die Naturgeschichte der Flagellaten oder Geisselinfusorien 1: pl. 23: figs 49-53 [tax. nov.]

• Type: Sphenomonas quadrangularis Stein

Day, S.A., Wickham, R.P., Entwisle, T.J. & Tyler, P.A. (1995), Bibliographic checklist of non-marine algae in Australia: - [secondary reference]

Entwisle, T.J. & Nairn, L. (2011), Census of Freshwater Algae in Australia. Edn. Version 1.0: - [secondary reference]

• APC Comment: R.A.Cowan (2015) uses this taxon concept.
• Distribution: New South Wales

Algal Subcommittee (2019), CHAH Algal Subcommittee: - AAL [secondary reference]

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