Families-
Bartramiaceae: Anacolia, Bartramia, Breutelia, Conostomum, Fleischerobryum, Flowersia, Leiomela, Neosharpiella, Philonotis, Plagiopus
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Hedwigiaceae: Braunia, Bryowijkia, Hedwigia, Hedwigidium, Pseudobraunia.
- Helicophyllaceae: Helicophyllum
- Rhacocarpaceae: Pararhacocarpus, Rhacocarpus.
BotanyProtonema globular or lamentous Acro-, rarely cladocarpous. Central strand, Pseudoparaphyllia present. Costa usually absent. Capsule immersed or exserted Annulus absent. Peristome usually absent. Spore ger- mination exo- or endosporic Calyptra cucullate, smooth, glabrous.