Anticipating the forthcoming first-ever published synthesis of the taxonomy, systematics, and nomenclature of the liverwort family Gymnomitriaceae H. Klinggr., where almost 800 names are treated in detail, we here provide 10 nomenclatural actions. Four new combinations are made: Gymnomitrion bolivianum (Steph.) Vana, G. minutulum (Hassel) Vana, G. nigrum (Grolle & Vana, and G. subintegrum (S. W. Arnell) Lectotypification is presented for the following six names: Acolea. brevissima Schleich. ex Dumort., G. sinense Frib., C. verrucosum W. E. Nicholson, Jungermannia sphacelata Giesecke ex Lindenb., J. divaricata Sm. var. latifolia Lindb. ex Norrl., and Marsupella disticha Steph.