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 [comb. nov.]

basionym: Pyrocystis hamulus var. semicircularis Schröd. legitimate

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

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

nomenclatural synonym of: Pyrocystis hamulus var. semicircularis Schröd. legitimate

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

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