Wikipedia
Tympanella
Tympanella is a fungal genus in the family Bolbitiaceae. A monotypic genus, it contains the single secotioid species Tympanella galanthina, found in New Zealand. Mycologist Egon Horak defined the genus in 1971. T. galathina was originally described as Agaricus galathinus in 1890 by Mordecai Cubitt Cooke and George Edward Massee.