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.