Subfamily Thalassioideae
Angiospermae - Alismatales - Hydrocharitaceae
Parent taxon: Hydrocharitaceae according to C. den Hartog 1970
Sister taxa: Elodea, Enhalus, Eotrapa, Halophila, Halophiloideae, Hydrocharis, Hydrocharites, Ottelia, Stratiotes, Stratiotites, Thalassia, Thalassites, Thalassotaenia, Vallisnerioideae
Subtaxa: none
Ecology: "photoautotroph"
Distribution: there are no occurrences of Thalassioideae in the database