One species in this phylum uses 5-methoxytryptamine to control its circadian rhythms; that species, Gonyaulax polyedra, is bioluminescent, as is the genus Linguolodinium.
One species in this phylum uses 5-methoxytryptamine to control its circadian rhythms; that species, Gonyaulax polyedra, is bioluminescent, as is the genus Linguolodinium. Another species produces the poison saxitoxin, which blocks sodium channels and is responsible for some forms of foodborne illness. Some species have a cellulose armor called a theca, and underneath their plasma membranes are small vesicles called alveoli. They have a transverse and longitudinal flagellum set inside two grooves, and along with the apicomplexans and the ciliates, make up the alveolate superphylum. FTP, name these protists whose name comes from the greek word for "whirling", that are responsible for red tides.
One species in this phylum uses 5-methoxytryptamine to control its circadian rhythms; that species, Gonyaulax polyedra, is bioluminescent, as is the genus Linguolodinium.
{Dinoflagellates} or {Dinoflagellata}