Subfamily Ptychodiscoideae
From dinoflaj2
Citation: Ptychodiscoideae (Autonym). 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.
Berghiella Kofoid and Michener 1911. |