Abundance: 0.25 to 4.65% (median 0.26%)

Latitudinal range: 35.8° to 45.9°

Habitats: (3) only

Found in 3 samples

China: Dazhushan (Late Pleistocene), Songhua River (Late Pleistocene), Yujiagou (Layer 3B) (Late Pleistocene)

See also Spirocerus, Spirocerus wongi