[1][2] The genus is monotypic and contains the single species Pseudoxenasma verrucisporum, found in Sweden.
The original description reads: "Fruitbody resupinate, effused, thin, hymenium more or less ceraceous, generally smooth.
Hyphal system monomitic with the individual hyphae indistinct.
The cystidia are provided with globose apical appendices (schizopapilles according to Boidin and Lanquetin).
Spores verrucose, thickwalled, broadly ellipsoid to subglobose in side view and with strong amyloid reaction.