Vanhöffen, E. (1897), Die Fauna und Flora Grönlands. Gronland-Expedition der Gesellschaft fur Erdkunde zu Berlin 1891–1893 2(1): 267 [tax. nov.]

• Type locality: Greenland

Jørgensen, E. (1899), Protophyton und Protozoen im Plankton aus der norwegischen Westkuste: 36 [basionym]

basionym of: Peridinium depressum var. oceanicum (Vanhöffen) Jørg. legitimate

Cleve, P.T. (1901), Plankton from the Indian Ocean and the Malay Archipelago. Kongliga Svenska Vetenskapsakademiens Handlingar 35 (5): 16 [secondary reference]

Wood, E.J.F. (1954), Dinoflagellates of the Australian region. Australian Journal of Marine and Freshwater Research 5: - [secondary reference]

misapplication: Peridinium obliquum P.J.L.Dang. legitimate by Matzenauer, L. (1933), Die dinoflagellaten des indischen Ozeans. Botanisches Archiv. Zeitschrift fur die gesamte Botanik 35: 463

Balech, E. (1974), El genero Protoperidinium Bergh, 1881 (Peridinium Ehrenberg 1831, partim). Revista del Museo Argentino de Ciencias Naturales Bernardino Rivadavia e instituto nacional de investigacion de las ciencias naturales. Hidrobiologya 4 (1): 57 [basionym]

basionym of: Protoperidinium oceanicum (Vanhöffen) Balech legitimate

Throndsen, J., Hasle, G.R. & Tangen, K. (2003), Norsk Kystplankton Flora: - [secondary reference]

nomenclatural synonym: Peridinium depressum var. oceanicum (Vanhöffen) Jørg. legitimate taxonomic synonym: Peridinium elegans Cleve legitimate taxonomic synonym: Peridinium oceanicum f. arupinensis Broch legitimate taxonomic synonym: Peridinium oceanicum var. inaequipes L.Mangin legitimate

Throndsen, J., Hasle, G.R. & Tangen, K. (2003), Norsk Kystplankton Flora: - [nomenclatural synonym]

nomenclatural synonym of: Protoperidinium oceanicum (Vanhöffen) Balech legitimate

ABRS (2008), Australian Algal Name Index Edn. 2008: - [secondary reference]

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

nomenclatural synonym of: Protoperidinium oceanicum (Vanhöffen) Balech legitimate

ABRS (2022), Australian Algal Name Index Edn. 2022 (Australian algal updates): - [nomenclatural synonym]

nomenclatural synonym of: Protoperidinium oceanicum (Vanhöffen) Balech legitimate

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