Ehrenberg, C.G. (1840), Deutsche Akad. Wiss. Berlin 1840: 200 [tax. nov.]

• Type locality: Adriatic Sea

McCarthy, P. (Comp.) (2012), Census of Australian Marine Dinoflagellates: - [nomenclatural synonym]

nomenclatural synonym of: Heterocapsa triquetra (Ehrenb.) F.Stein legitimate

Gottschling, M., Tillmann, U., Elbrächter, M., Kusber, W.-H. & Hoppenrath, M. (2019), Glenodinium triquetrum Ehrenberg is a species not of Heterocapsa F.Stein but of Kryptoperidinium Er.Lindem (Kryptoperidiniaceae, Peridiniales). Phytotaxa 391(2): 155-158, 2 figs. [basionym]

basionym of: Kryptoperidinium triquetrum (Ehrenb.) Tillmann, Gottschling, Elbr., Kusber & Hoppenrath legitimate

Guiry, M.D. & Guiry, G M. (2022), -. Algaebase web site: www.algaebase.org: - [nomenclatural synonym]

nomenclatural synonym of: Kryptoperidinium triquetrum (Ehrenb.) Tillmann, Gottschling, Elbr., Kusber & Hoppenrath legitimate

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