Goniobryum

Autoicous. Asexual propagules absent. Tufts on soil, rocks, logs and tree ferns. Stems erect, simple to fastigiately branched, with sparse rhizoids near base; central strand present. Leaves oblong-lanceolate, complanate or arranged around the stem and facing all directions and erect-spreading when moist, monomorphic, twisted when dry; apex acute or acuminate, without a hairpoint in vegetative leaves; costa ending in apical half below apex; margins serrate with single or paired teeth, plane, with 1 (–2) rows of narrower cells but not forming a distinct border; laminal cells oblong-hexagonal to rhomboidal, becoming rectangular toward base, 3–5 times longer than wide, smooth, with chloroplast aggregating at cell extremities in dry material; alar cells not differentiated. Pleurocarpous, perichaetia and perigonia near base of stem. Capsules horizontal or pendent, curved, obolid or cylindric, with an annulus. Calyptra cucullate, smooth, glabrous. Operculum conic. Peristome double; exostome of 16 entire teeth; endostome of 16 segments nearly as long as exostome teeth, with a high basal membrane; cilia present.