Tripos muelleri

Tripos muelleri
Scientific classification
Domain:	Eukaryota
Clade:	Diaphoretickes
Clade:	SAR
Clade:	Alveolata
Phylum:	Myzozoa
Superclass:	Dinoflagellata
Class:	Dinophyceae
Order:	Gonyaulacales
Family:	Ceratiaceae
Genus:	Tripos
Species:	T. muelleri
Binomial name
	Tripos muelleri; Bory
Synonyms
	Ceratium tripos (O.F.Müller) Nitzsch; Neoceratium tripos (O.F.Müller) F.Gómez, D.Moreira & P.López-Garcia;

Tripos muelleri is a species of dinoflagellates of the genus Tripos.

Anatomy

This chromist is easy to recognize and identify among all the phytoplankton, because of its three horns in a pitchfork arrangement. The horn in the middle is called the apical horn, and it is used as a flagellum. The other two horns are called lateral horns, and they are solely used as an aid for flotation.^[2]

Habitat

This species lives along all the phytoplankton on the ocean surface worldwide, where it is one of the dominant species. Despite this, it is usually solitary, although during reproduction season, several individuals may congregate, all of their apical horns join. This occurs when a cell divides, so that the daughter cells remain together, linked in short chains. This particular species may sometimes be parasitized by other chromists or protists.

History

Tripos species were originally classified under the genus Ceratium, however they were reclassified to the new genus Neoceratium in 2009 following a ribosomal RNA sequencing study.^[2] However, since the name Neoceratium was preceded by an older name Tripos, all names were transferred to Tripos.^[3]

References

^ Guiry, M.D.; Guiry, G.M. "Tripos muelleri Bory 1826". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.
^ ^a ^b Gómez, Fernando; Moreira, David; López-García, Purificación (2010). "Neoceratium gen. nov., a New Genus for All Marine Species Currently Assigned to Ceratium (Dinophyceae)". Protist. 161 (1): 35–54. doi:10.1016/j.protis.2009.06.004. PMID 19665427.
^ Gómez, F. (2013). "Reinstatement of the dinoflagellate genus Tripos to replace Neoceratium, marine species of Ceratium (Dinophyceae, Alveolata)". Cicimar Oceánides. 28: 1–22. doi:10.37543/oceanides.v28i1.119.

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[1] Guiry, M.D.; Guiry, G.M. "Tripos muelleri Bory 1826". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.

[Gomez-2] Gómez, Fernando; Moreira, David; López-García, Purificación (2010). "Neoceratium gen. nov., a New Genus for All Marine Species Currently Assigned to Ceratium (Dinophyceae)". Protist. 161 (1): 35–54. doi:10.1016/j.protis.2009.06.004. PMID 19665427.

[3] Gómez, F. (2013). "Reinstatement of the dinoflagellate genus Tripos to replace Neoceratium, marine species of Ceratium (Dinophyceae, Alveolata)". Cicimar Oceánides. 28: 1–22. doi:10.37543/oceanides.v28i1.119.

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