Stein, F. (1883), Der Organismus der Infusionsthiere nach eigenen Forschungen in systematischer Reihenfolge III. Abth.Einleitung und der abbildungen II. Halfte: caption taf XVIII, figs 1-6 [tax. nov.]

• Type locality: Sudsee, Atlantic

Jørgensen, E. (1923), Mediterranean Dinophysiaceae. Report of the Danish Oceanographic Expedition to the Mediterranean 1908-1910 to the Mediterranean and Adjacent Seas II (Biol.) J. 2: 4 [basionym]

basionym of: Pseudophalacroma nasutum (F.Stein) Jørg. legitimate

Wood, E.J.F. (1954), Dinoflagellates of the Australian region. Australian Journal of Marine and Freshwater Research 5: 171–351 [secondary reference]

Dodge, J.D. (1982), Marine Dinoflagellates of the British Isles: - [secondary reference]

nomenclatural synonym: Pseudophalacroma nasutum (F.Stein) Jørg. legitimate

• APC Comment: R.Cowan (2008) uses this taxon concept.

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

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

• Comment: Synonymy after F.Gómez, A list of free-living dinoflagellate species in the world’s oceans, Acta Bot. Croat. 64: 129–212 (2005)
• Distribution: N.S.W. (Port Hacking, Eden)
• Ex.distribution: U.S.A. (Florida), Atlantic Ocean, North Sea, Mediterranean Sea, Pacific coast of Mexico

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

nomenclatural synonym of: Dinophysis nasutum (F.Stein) Parke & P.S.Dixon legitimate

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