Pavillard, J. (1905), Recherches sur la flore pelagique (phytoplankton) de l'Etang de Thau. Travaux de l'Institut de Botanique de l'Universite de Montpellier et de la Station Zoologique de Cette 2: 52, pl I fig 4 [tax. nov.]

• Type locality: Mediterranean Sea (France)

Pavillard, J. (1905), Recherches sur la flore pelagique (phytoplankton) de l'Etang de Thau. Travaux de l'Institut de Botanique de l'Universite de Montpellier et de la Station Zoologique de Cette 2: 45 [basionym]

basionym of: Neoceratium symmetricum (Pavill.) F.Gómez, D.Moreira & López-García legitimate

Wood, E.J.F. (1954), Dinoflagellates of the Australian region. Australian Journal of Marine and Freshwater Research 5: 171–351 [secondary reference]

Hallegraeff, G.M. & Jeffrey, S.W. (1984), Tropical phytoplankton species and pigments of continental shelf waters of north and north-west Australia. Marine Ecology Progress Series 20: 59–74 [secondary reference]

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

taxonomic synonym: Ceratium tripos var. gracile Gourret nom. illeg. taxonomic synonym: Ceratium gracile (Gourret) Jørg. nom. illeg.

• APC Comment: R.Cowan (2008) uses this taxon concept.

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

• AMANI dist.: Queensland (tropical), Bass Strait, Cosmopolitan
• Nutrition: Autotrophic
• Habitat: Neritic, Oceanic
• Habit: Planktonic

Hallegraeff, G.M., Bolch, C.J.S., Huisman, J.M. & de Salas, M.F. (2010), Planktonic dinoflagellates. Algae of Australia: Phytoplankton of Temperate Coastal Waters: 145–212 [secondary reference]

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

• Distribution: Gulf of Carpentaria/North-west Shelf, Qld (SE coast), N.S.W. (S to Eden), Lord Howe Island, Vic., S.A., W.A., Bass Strait
• Ex.distribution: Brazil, South Atlantic Ocean, South Africa, Gulf of Mexico, North Atlantic Ocean, Canary Islands, British Isles, Mediterranean Sea, Adriatic Sea, Red Sea, Gulf of Aden, Arabian Sea, Indian Ocean, Bay of Bengal, Indonesia, South China Sea, east China Sea, Japan, western Pacific Ocean, Papua New Guinea, Solomon Islands, Tasman Sea, New Zealand, Southern Ocean (S of Australia), Pacific coast of Mexico

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 symmetricus 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: 3396, Table 2 [basionym]

basionym of: Tripos symmetricus (Pavill.) F.Gómez legitimate

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

nomenclatural synonym of: Tripos symmetricus (Pavill.) F.Gómez legitimate

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