Schröder, B. (1900), Phytoplankton des Golfes von Neapel. Mittheilungen aus der Zoologischen Station zu Neapel 14: 18 [comb. nov.]

basionym: Pyrgidium sceptrum F.Stein legitimate

Wood, E.J.F. (1963), Dinoflagellates in the Australian region. II – Recent collections. Tech. Pap. Div. Fish. Oceanogr. CSIRO 14: 1–55 [secondary reference]

Revelante, N., Williams, W.T. & Bunt, J.S. (1982), Temporal and spatial distribution of diatoms, dinoflagellates and Trichodesmium in waters of the Great Barrier Reef Australia. Journal of Experimental Marine Biology and Ecology 63: 27–46 [secondary reference]

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

nomenclatural synonym: Pyrgidium sceptrum F.Stein legitimate taxonomic synonym: Oxytoxum variabile J.Schiller legitimate

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

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

nomenclatural synonym: Pyrgidium sceptrum F.Stein legitimate taxonomic synonym: Oxytoxum longiceps J.Schiller legitimate

• APC Comment: P.McCarthy (2012) uses this taxon concept.
• Distribution: Coral Sea, Qld (Great Barrier Reef), East Australian Current, off E coast of Tas., Indian Ocean W of Australia
• Ex.distribution: Brazil, Gulf of Mexico, Caribbean Sea, U.S.A. (Virginia), Canary Islands, Mediterranean Sea, Adriatic Sea, Aegean Sea, Black Sea, Indian Ocean, Bay of Bengal, South China Sea, East China Sea, Southern Ocean S of Australia ('cf.'), Tasman Sea, New Zealand, Pacific coast of Mexico, SE Pacific Ocean

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

nomenclatural synonym: Pyrgidium sceptrum F.Stein legitimate

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