Cheilymenia coprinaria

Fruitbody:-  Flat or shallowly concave discs, 2 to 4mm across and 0.5 to 1.5mm tall; orange; sessile; usually in groups and sometimes in swarms on dung.

The fertile (upper) surface is bright orange and smooth; the lower (infertile) surface is slightly paler and covered in fine hairs, especially around the margin, where they stand more or less upright.

Hairs:- ~0.5mm long and 25-30µm in diameter at the base tapering to a sharp point.

Habitat:- Saprobic, on all kinds of herbivore dung.

(Ref: Pat O'Reilly)