Generic short diagnoses:
Small, mostly wine red operculate discomycetes with brown, acute hairs and smooth, ± ellipsoid spores. Mostly on wet river banks.
Species example:
Parascutellinia arctespora - section of fruit-body
The picture originates from the MycoKey 2.0 DVD. Here you will also find a larger picture along with a detailed generic description, references and an interactive, synoptical key to genera.