Wood, E.J.F. (1963), Tech. Pap. Div. Fish. Oceanogr. CSIRO 14: 19, fig. 60 [tax. nov.]

• Type locality: Coral Sea

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

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

• Comment: Possibly conspecific with H. longicollis Kofoid [fide F.Gómez, A list of free-living dinoflagellate species in the world’s oceans, Acta Bot. Croat. 64: 129–212 (2005)]
• APC Comment: P.McCarthy (2012) uses this taxon concept.
• Distribution: Coral Sea
• Ex.distribution: —

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