Subfamily Ptychodiscoideae

Subfamily Ptychodiscoideae

Citation: Ptychodiscoideae (Autonym). Diagnosis:Ptychodiscaceans in which cellulose is the principal component of the pellicle, and in which no apical opening is developed. Type genus: Ptychodiscus Stein, 1883. Extant genera: 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.

Parent: Family Ptychodiscaceae