Difference between revisions of "Subfamily Ptychodiscoideae"

Diagnosis:Ptychodiscaceans in which cellulose is the principal component of the pellicle, and in which no apical opening is developed.

Ptychodiscus Stein 1883.

Balechina Loeblich Jr. and Loeblich III 1968.


(=Pachydinium Kofoid and Swezy 1921; homonym - Balechina is substitute)



Berghiella Kofoid and Michener 1911.
?Ceratoperidinium Margalef 1969 ex Loeblich III 1980.
Kolkwitziella Lindemann 1919.
?Lissaiella Lindemann 1928.
?Lophodinium Lemmermann 1910.
Ptychodiscus Stein 1883.
Sclerodinium Dodge 1981.