Kofoid, C.A. (1907), Dinoflagellata of the San Diego region, III. Descriptions of new species. University of California Publications in Zoology 3 (13): 304, pl 24, figs 13-15 [tax. nov.]

• Type locality: San Diego

Jørgensen, E. (1911), Die Ceratien. Eine kurze Monographie der Gattung Ceratium Schrank. Internationale Revue der Gesamten Hydrobiologie und Hydrographie 4 (Biol. Suppl.) ser. 2: 64 [basionym]

basionym of: Ceratium deflexum (Kof.) Jørg. legitimate

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

Taylor, F.J.R. (1976), Dinoflagellates from the international Indian Ocean Expedition. A report on material collected by the R. V. 'Anton Bruun' 1963-1964. Bibliotheca Botanica 132: - [nomenclatural synonym]

nomenclatural synonym of: Ceratium deflexum (Kof.) Jørg. legitimate

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

• Comment: In some sources this is cited as a var. BUT Kofoid distinctly indicates that he is describing a subspecies deflexum of C. Macroceros.

Gómez, F., Moreira, D. & López-García, P. (2010), Neoceratium gen. nov., a new genus for all marine species currently assigned to ceratium (Dinophyceae). Protist 161: 43 [basionym]

basionym of: Neoceratium deflexum (Kof.) F.Gómez nom. illeg.

Gómez, F. (2013), Reinstatement of the dinoflagellate genus Tripos to replace Neoceratium, marine species of Ceratium (Dinophyceae, Alveolata). CICIMAR Oceanides 28(1): Table 1 [taxonomic synonym]

taxonomic synonym of: Tripos deflexus F.Gómez nom. inval.

Hallegraeff, G. et al. (2020), The marine planktonic dinoflagellate Tripos: 60 years of species-level distributions in Australian waters. Australian Systematic Botany 33: 397 [taxonomic synonym]

taxonomic synonym of: Tripos deflexus (Kof.) Hallegr. & Huisman legitimate

Guiry, M.D. & Guiry, G M. (2021), -. Algaebase web site: www.algaebase.org: - [taxonomic synonym]

taxonomic synonym of: Tripos gallicus (Kof.) F.Gómez legitimate

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