Higher classification Gonyaulacaceae
|Similar Dinoflagellate, Gymnodinium, Ceratium, Prorocentrales, Alexandrium|
Gonyaulax Dinoflagellate 1000x
The plate formula in the genus Gonyaulax Diesing was redefined as Po, 3’, 2a, 6”, 6c, 4-8s, 5’”, 1p, 1””
Gonyaulax spinifera has been related to production of yessotoxins (YTXs), a group of structurally related polyether toxins, which can accumulate in shellfish and can produce symptoms similar to those produced by paralytic shellfish poisoning (PSP) toxins.
All species are marine, except for one freshwater species Gonyaulax apiculata.
It previously included several species, which are now considered to belong to a separate genus, e.g.: