Natipusillaceae Raja, Shearer & A.N. Mill., Mycologia 104(2): 570 (2012).

MycoBank number: MB 561948; Index Fungorum number: IF 561948; Facesoffungi number: FoF 08111, 4 species.

Saprobic on decaying wood. Sexual morph: Ascomata globose to subglobose, erumpent to superficial, hyaline to light brown. Peridium membranous, composed of pseudoparenchyma cells of textura angularis in surface view. Hamathecium comprising septate, sparse, cellular pseudoparaphyses. Asci 8-spored, bitunicate, fissitunicate, globose, subglobose or obclavate. Ascospores multi-seriate, fusiform to cylindrical, hyaline becoming brown with age, one to several septate, multiguttulate or not. Asexual morph: Undetermined.

Type: Natipusilla A. Ferrer, A.N. Mill. & Shearer.

Notes: Natipusillaceae comprises the freshwater genus Natipusilla with four species (Ferrer et al. 2011; Raja et al. 2012). Natipusillales was established to accommodate members of Natipusillaceae based on LSU and SSU sequence data (Hyde et al. 2013).