Schiller, J. in Rabenhorst, L. (ed.) (1937), Dinoflagellatae. Kryptogamen-Flora von Deutschland, Osterreich und der Schweiz Bd 10 Abt 3: 431 [tax. nov.]

basionym: Ceratium tripos f. claviceps Schröd. legitimate

Sournia, A. (1973), Catalogue des especes et taxons infraspecifiques de Dinoflagelles marins actuels publies depuis la revision de J. Sciller. I Dinoflagelles libres. Beihefte zur Nova Hedwigia 48: - [secondary reference]

Huisman, J.M. (1989), The genus Ceratium (Dinophyceae) in Bass Strait and adjoining waters, southern Australia. Australian Systematic Botany 2: 425–454 [taxonomic synonym]

taxonomic synonym of: Ceratium trichoceros (Ehrenb.) Kent legitimate

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

• Comment: This is a later homonym of Ceratium trichoceros f. claviceps Schröd.
• Comment: According to Sournia 1973 this combination is not valid.

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