Anthracoidea atratae (Saville) Kukkonen, 1963
the contents of the ultimately rupturing utriculi is transformed into a hard, black body consisting of agglutinated spores; initially it is covered by a silvery membrane, that later flakes off. The spores are 17-25 µm long.
Cyperaceae, narrowly monophagous
not (yet) known from Europe.