Paulsen, O. (1904), On some Peridineae and plankton-diatoms. Meddelelser fra Kommissionen for Havundersøgelser Serie: Plankton 1(1): 20, fig. 2 [tax. nov.]

• Type locality: Iceland

Balech, E. & Tangen, K. (1985), Morphology and taxonomy of toxic species in the tamarensis group (Dinophyceae) Alexandrium excavatum (Braarud) comb. nov. and Alexandrium ostenfeldii (Paulsen) comb. nov. Sarsia 70: 338, figs 3–5 [basionym]

basionym of: Alexandrium ostenfeldii (Paulsen) Balech & Tangen legitimate

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

Harlow, L.D., Koutoulis, A. & Hallegraeff, G.M. (2007), S-adenosylmethionine synthetase genes from eleven marine dinoflagellates. Phycologia Edn. 1, 46: - [nomenclatural synonym]

nomenclatural synonym of: Alexandrium ostenfeldii (Paulsen) Balech & Tangen 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: Alexandrium ostenfeldii (Paulsen) Balech & Tangen legitimate

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