Neoheleiosa Mortimer gen. nov.
MycoBank number: MB 838517; Index Fungorum number: IF 838517; Facesoffungi number: FoF 11959;
Etymology: The generic epithet reflects the similarity to Heleiosa.
Saprobic on dead wood. Sexual morph: Ascomata, solitary, scattered, immersed to erumpent, globose to subglobose or obpyriform, dark brown to black, coriaceous, ostiolate. Ostiole centric or eccentric, papillate, black, smooth, filled with hyaline cells when mature. Peridium comprising blackish to dark brown, thin-walled cells of textura globulosa. Hamathecium comprising numerous, branched, septate, pseudoparaphyses. Asci 8-spored, bitunicate, fissitunicate, cylindric, pedicellate, rounded, and thick-walled at the apex, with an ocular chamber. Ascospores overlapping uniseriate, narrowly ovoid to clavate, 1-septate, initially hyaline, becoming dark brown at maturity, with conically rounded ends, guttulate, thick walled, faintly longitudinally striated, lacking a mucilaginous sheath. Asexual morph: Undetermined.
Type species: Neoheleiosa lincangensis