Plants: small, in dense mats, yellowish. Stems: creeping, loosely imbricate-foliate, not julaceous, regularly or irregularly pinnate, branches terete-foliate; central strand present, weak; pseudoparaphyllia short-ovate; axillary hairs of 2 cells. Stem: leaves erect, often homomallous, closely arranged, ovate, concave, not plicate; base scarcely decurrent; margins serrate; apex slender-acuminate; costa to mid leaf or beyond, slender, sometimes indistinct, terminal spine absent; alar cells quadrate; laminal cells elongate. Branch: leaves similar. Sexual: condition autoicous; perichaetia gemmiform, axillary on stem. Seta: light brown, papillose. Capsule: erect, brown, ovoid or slightly asymmetric; annulus not separating; operculum obliquely rostrate; peristome hygrocastique, modified; endostome inconspicuous, adherent to exostome. Calyptra: bearing few slender 1-seriate hairs. Spores: 18–25 µm. e North America, Central America (Guatemala), South America (Guyana).

Species 2 (or 3) (1 in the flora).