Monographs Details: Atractylocarpus Mitt.
Authority: Sharp, Aaron J., et al. 1994. The Moss Flora of Mexico. Part One: Sphagnales to Bryales. Mem. New York Bot. Gard. 69 (1)
Description:Genus Description - Plants small, pale-yellowish to light-green, glossy, densely tufted. Stems simple or sparsely forked, radiculose nearly to the apex. Leaves straight or slightly curved, sometimes falcate-secund at stem tips, tubulose-setaceous from a short, ovate base; margins serrulate above; costa long-excurrent, filling 1/2-2/3 the leaf base and all the leaf above; upper cells linear, thick-walled; basal cells rectangular, thin- or thick-walled, somewhat enlarged and sometimes reddish near the insertion. Autoicous or dioicous. Setae single, elongate, straight or slightly flexuose, twisted above when dry, yellowish to orange, smooth; capsules erect and symmetric or sometimes slightly curved, oblong to narrowly cylindric, smooth or ribbed when dry; annulus large and deciduous or none; operculum long-rostrate; peristome teeth divided nearly to the base, papillose or striolate. Spores spherical. Calyptrae cucullate, entire at base, smooth.
The genus has been revised by Padberg and Frahm (1986).