Subtribe : PLEUROTHALLIDINAE Lindley, 1830 : single leaves; ramicauls non-pseudobulbous; ovary articulated; deciduous from the pedicel.

Genera : Acianthera, Acostea, Anathallis, Barbosella, Barbrodria, Brachionidium, Chamelophyton, Condylago, Draconanthes, Dracula, Dreslerella, Dryadella, Echinosepala, Frondaria, Jostia, Lepanthes, Lepanthopsis, Luerella, Masdevallia, Myoxanthus, Octomeria, Ophidion, Pabstiella, Phloeophila, Platystele, Pleurothallis, Porroglossum, Restrepia, Restrepiella, Salpistele, Scaphosepalum, Specklinia, Stelis, Teagueia, Trichosalpinx, Trisetella, Zootrophion.