Balech, E. (1976), Some Norwegian Dinophysis species (Dinoflagellata). Sarsia 61: - [comb. nov.]

McMinn, A. & Scott, F.J. in Scott, F.J. & Marchant, H.J. (ed.) (2005), Dinoflagellates. Antarctic Marine Protists: 202–250 [taxonomic synonym]

taxonomic synonym of: Dinophysis contracta (Kof. & Skogsb.) Balech legitimate

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

• Comment: McMinn & Scott 2004 Antarctic Marine Protists p. 206 synonymise Phalacroma ruudii with D. contracta

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