Phylum Prymnesiophyta (haptophytes)
Parent taxon: Eukaryota according to E. Taylor et al. 2008
Sister taxa: Acritarcha, Allonema, Archaeplastida, Birrindudutuba, Changchengia, Chlorobiota, Chromalveolata, Chromista, Conglobocella, Cucumiforma, Dictyosphaera, Dinophyta, Euglenophyta, Filinexum, Gigantosphaeridium, Heteromorphus, Kamolineata, Leiothrichoides, Limbunyasphaera, Palaeosiphonella, Plantae, Protista, Protozoa, Rhizopodea, Sarcomastigophora, Satka, Sinosabelliditida, Siphonoseptum, Soldadotubulus, Spiromorpha, Tappania, Tuanshanzia, Valeria, Waltheria
Subtaxa: none
Distribution: there are no occurrences of Prymnesiophyta in the database