Genus: Lingulodinium | Dinoflagellate
Common West Coast species: L. polyedra
Order: Gonyaulacales
Family: Gonyaulacaceae
Description: Armored, polyhedral cells without spines or horns. Strong ridges define thecal plate sutures. Chloroplasts present. Forms distinctive cysts.
Cell Size: Width 40-60um
Distribution: Neritic, warm temperate to tropical waters.
Synonym: Lingulodinium polyedra = Gonyaulax polyedra
Interesting Facts: Bioluminescent and toxic (can produce yessotoxin)
IFCB images
image source: D. Tighe, iNaturalist
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