3-333.34.00: Pterobryaceae
Genera: Calyptothecium, Cryptogonium, Henicodium, Hildebrandtiella, Horikawaea, Jaegerina, Micralsopsis, Muellerobryum, Neolindbergia, Orthorrhynchidium, Orthostichidium, Orthostichopsis, Osterwaldiella, Penzigiella, Pireella, Pseudopterobryum, Pterobryidium, Pterobryon, Pterobryopsis, Renauldia, Rhabdodontium, Spiridentopsis, Symphysodon, Symphysodontella.