Order Hystrichosphaeridea
Dinoflagellata - Hystrichosphaeridea
Parent taxon: Dinoflagellata according to R. N. Lakhanpal et al. 1976
Sister taxa: Acanthaulax, Aldorfia, Apectodinium, Biechelerella, Bulbodinium, Calciodinellum, Callaiosphaeridium, Canninginopsis, Chonesphaera, Crussolia, Dinophyceae, Disphaerogena, Dracodinium, Dubridinium, Emslandia, Evittodinium, Filisphaera, Glyphanodinium, Haplohermesinum, Korystocysta, Lejeunia, Palambages, Palynodinium, Paraevansia, Paralecaniella, Pentadinium, Phallocysta, Pluriarvalium, Polysphaeridium, Rhombodinium, Schematophora, Scrippsiella, Spongodinium, Svalbardella, Tubidermodinium, Turbiosphaera
Subtaxa: Hystrichosphaera
Distribution: