Clades:
Hedwigiales,
Bryidae,
Bryanae,
Bryophyta,
Plants.
Genera: Hymenodon, Leptotheca, Orthodontium, Orthodontopsis.
BotanyMoss; acrocarpous (not Hymenodon). Central strand present. Costa present Aut-, par-, or dioicous, rarely heteroicous. Seta present Capsule erect to horizontal, often furrowed, stomata phaneropore Annulus absent. Operculum present. Peristome reduced, cilia absent. Spores ± papillose Calyptra cucullate. Axillary propagules or rhizoidal gemmae