Schröder, B. (1906), Beitrage zur Kenntnis des Phytoplanktons warmer Meeres. Naturforschende Gesellschaft in Zuerich. Vierteljahresschrift 51: 371, fig 45 [tax. nov.]

• Type locality: Japanese waters, 22.x.1898

Kofoid, C.A. (1907), Reports on the scientific results of the expedition to the eastern tropical Pacific, in charge of Alexander Agassiz, by the U.S. Fish Commission Steamer 'Albatross', from October, 1904, to March, 1905. Lieut. Commander L. M. Garrett, U.S.N., commanding. IX New species of dinoflagellates. Bulletin of the Museum of Comparative Zoology Harvard 50 (6): 166 [basionym]

basionym of: Pyrocystis semicircularis (Schröd.) Kof. legitimate

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

nomenclatural synonym: Pyrocystis semicircularis (Schröd.) Kof. legitimate

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

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

• Distribution: Qld (Sandy Cape) to N.S.W. (Port Hacking), Tasman Sea, eastern Bass Str.
• Ex.distribution: Brazil, South Atlantic Ocean, Gulf of Mexico, Canary Islands, Atlantic Ocean, British Isles, North Sea, Mediterranean Sea (Turkey), Black Sea, Arabian Sea, Indian Ocean, China, Japan

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