Calomnion is a genus of mosses in the family Calomniaceae. They have been reported from Australia, New Zealand, Polynesia, Melanesia, New Guinea, and eastern Indonesia. Species include: \n* Calomnion brownseyi Vitt & H.A. Mill. \n* Calomnion ceramense Vitt \n* Calomnion complanatum (Hook. f. & Wilson) Lindb. (type species) \n* Calomnion denticulatum Mitt. \n* Calomnion iwatsukii Vitt \n* Calomnion lillianiae Vitt & H.A. Mill. \n* Calomnion melanesicum H.A. Mill. \n* Calomnion milleri Vitt \n* Calomnion schistostegiellum (Besch.) Wijk & Margad.