Abundance: 0.03 to 24.88% (median 0.07%)

Latitudinal range: 38.4° to 50.2°

Habitats: (5) only

Found in 5 samples

Canada: Caverne de la Mine (lower infill) (Holocene)

Poland: Borsuka Cave (Layer VI) (Late Pleistocene)

Spain: El Cierro Cave (Level B) (Holocene), El Cierro Cave (Level C/D) (Late Pleistocene)

United States: Meyer Cave (Holocene)

See also Discus catskillensis, Discus cronkhitei, Discus patulus, Discus rotundatus, Discus ruderatus