Gómez, F. (2021), Speciation and infrageneric classification in the planktonic dinoflagellate Tripos (Gonyaulacales, Dinophyceae). Current Chinese Science 1(3): 368 [comb. nov.]

basionym: Ceratium fusus var. extensum Gourret legitimate

• Comment: Multiple uses of basionym in Table 2

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

nomenclatural synonym: Ceratium fusus var. extensum Gourret legitimate nomenclatural synonym: Ceratium extensum (Gourret) Cleve legitimate taxonomic synonym: Ceratium strictum (Okamura & Nishikawa) Kof. legitimate taxonomic synonym: Ceratium extensum f. strictum (Okamura & Nishikawa) Jørg. legitimate taxonomic synonym: Tripos strictus F.Gómez nom. inval.

ABRS (2023), Australian Algal Name Index Edn. 2023 (Australian algal updates): - [secondary reference]

taxonomic synonym: Tripos extensus F.Gómez nom. inval.

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