Gyrodinium is a genus of belonging to the order Gymnodiniales within class Dinophyceae.
The genus has cosmopolitan distribution. World Register of Marine Species lists 141 species, with many synonyms.
They are heterotrophic (cannot produce its own food) and feed on diatoms (such as Chaetoceros debilis) that can be up to 12 times their length. They are 'naked' dinoflagellates, meaning they lack armor (or cellulosic plates).
Species
54 species, as accepted by the
GBIF:
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Gyrodinium aciculatum
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Gyrodinium ascendans
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Gyrodinium aureum
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Gyrodinium britannicum
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Gyrodinium calyptoglyphe
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Gyrodinium calyptroglyphe
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Gyrodinium capsulatum
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Gyrodinium carteretensis
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Gyrodinium caudatum
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Gyrodinium citrinum
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Gyrodinium cochlea
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Gyrodinium complanatum
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Gyrodinium corallinum
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Gyrodinium crassum
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Gyrodinium dominans
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Gyrodinium estuariale
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Gyrodinium falcatum
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Gyrodinium ferrugineum
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Gyrodinium flagellare
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Gyrodinium flavum
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Gyrodinium formosum
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Gyrodinium fusiforme
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Gyrodinium fusus
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Gyrodinium glaebum
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Gyrodinium grave
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Gyrodinium grossestriatum
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Gyrodinium helveticum
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Gyrodinium herbaceum
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Gyrodinium hyalinum
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Gyrodinium instriatum
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Gyrodinium katodiniaescens
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Gyrodinium lachryma
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Gyrodinium lacryna
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Gyrodinium lebourae
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Gyrodinium lingulifera
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Gyrodinium longum
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Gyrodinium metum
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Gyrodinium mundulum
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Gyrodinium nasutum
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Gyrodinium ochraceum
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Gyrodinium pellucidum
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Gyrodinium pepo
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Gyrodinium pingue
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Gyrodinium prunus
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Gyrodinium pulchellum
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Gyrodinium pusillum
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Gyrodinium resplendens
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Gyrodinium spirale
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Gyrodinium stratissimum
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Gyrodinium submarinum
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Gyrodinium uncatenatum
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Gyrodinium undulans
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Gyrodinium varians
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Gyrodinium wulffii