Dicranodontium B.S.G., Bryol. Eur. 1: 159. 1847.
Atractylocarpus Mitt., J. Linn. Soc., Bot. 12: 71. 1869.
Plants erect, large to medium; stems radiculose, densely tufted. Leaves crowded, erect to secund, subtubulose, setaceous from a lanceolate base; margins serrulate in upper third, entire below; costa to 2/3 the leaf width at base, long excurrent, in cross section with dorsal and ventral stereid bands; median leaf cells linear, basal cells rectangular; alar cells variously differentiated, frequently fugacious or fragile, not auriculate. Dioicous or autoicious. Setae erect to slightly flexuous or strongly cygneous when moist, erect and twisted when dry; capsules erect or inclined, weakly furrowed; well developed annuli absent; stomata absent; peristome teeth divided, vertically striolate below, papillose above; opercula long rostrate. Calyptrae cucullate, not fringed.