Red tide off the coast of La Jolla, California.<unk>  is a genus of dinoflagellates with the type species<unk>  spinifera (Claparède et Lachmann) Diesing.<unk>  belongs to red dinoflagellates and commonly causes red tides. It secretes a poisonous toxin known as "saxitoxin" which causes paralysis in humans.
Gonyaulax
Hexamita
Philotimus
Rhinophyma
Mammomonogamus
Boswellia
Cerbera odollam
Mammillaria 