Ptychomniaceae
Genera: Cladomnion, Cladomniopsis, Dichelodontium, Endotrichellopsis, Euptychium, Garovaglia, Glyphotheciopsis, Glyphothecium, Hampeella, Ombronesus, Ptychomniella, Ptychomnion, Tetraphidopsis.
Ptychomniaceae
Genera: Cladomnion, Cladomniopsis, Dichelodontium, Endotrichellopsis, Euptychium, Garovaglia, Glyphotheciopsis, Glyphothecium, Hampeella, Ombronesus, Ptychomniella, Ptychomnion, Tetraphidopsis.