|Citation: Leptodiscaceae Taylor 1976a.|
Diagnosis:Noctilucaleans in which the dominant life cycle stage comprises a motile cell whose width is extended significantly by anterior- posterior compression or by the presence of an equatorial, wing-like extension. Neither a tentacle nor an episomal extracellular dome, are developed.
Leptodiscus Hertwig 1877.
Abedinium Loeblich Jr. and Loeblich III 1966.
Cachonodinium Loeblich III 1980.