Abstract <p>The genus <i>Calonema</i> Morgan is recorded from Türkiye for the first time as the new species <i>Calonema gansuense</i> B. Zhang and Yu Li, described on the basis of bark material collected from Antakya/Hatay (Türkiye). This new genus and species is characterized by its brick brown sporocarps, irregular, pulvinate and up to 1 mm long, relatively thick peridium shining golden yellow, marked with intricate radiating veins, dehiscence apical and irregular. Capillitium of branched and anastomosed threads with obtuse or bulbous free tips, and united into a network, the surface reticulate-venose and very variable, spores yellow, marked with rows of warts. <i>Perichaena luteola</i> (Kowalski) Gilert is recorded from Türkiye for the first time as the new species record from Antakya/Hatay (Türkiye). This species is sessile, globose, subglobose, peridium simple smooth brilliant yellow. Capillitium simple or branched tubular filaments, abundant, slightly rough, almost smooth or finely ornamented, filaments hollow, yellow, without any signs of spiral ornamentation. Spores are orange or ocher, yellow, spherical, rarely polygonal, warty.</p>