1 Subgenus Bivalvaria
1.1 Sektion Aranella
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1.2 Section Australes
1.3 Section Avesicarioides
1.4 Section Avesicarioides
1.5 Section Enskide
1.6 Section Lloydia
1.7 Section Minutae
1.8 Section Nigrescentes
1.9 Section Oligocista
1.10 Section Phyllaria
1.11 Section Stomoisia
2 Subgenus Polypompholyx
2.1 Section Pleiochasia
2.2 Section Lasiocaules
2.3 Section Polypompholyx
2.4 Section Tridentaria