Alexandrium tamarense

Taxobox
name = "Alexandrium tamarense"

domain = Eukaryota
regnum = Chromalveolata
superphylum = Alveolata
phylum = Dinoflagellata
classis = Dinophyceae
ordo = Gonyaulacales
subordo = Gonyaulaceae
genus = "Alexandrium"
species = "A. tamarense"
binomial = "A. tamarense"

"Alexandrium tamarense" is a dinoflagellate known to produce saxitoxin, a neurotoxin which causes the human illness clinically known as paralytic shellfish poisoning (PSP). Multiple species of phytoplankton are known to produce saxitoxin, including at least 10 other species from the genus "Alexandrium".