Abundance: 0.00 to 0.47% (median 0.11%)

Latitudinal range: 34.8° to 43.0°

Habitats: (4) only

Found in 4 samples

United States: Dust Cave (Zones T and U) (Holocene), McIntosh (Holocene), Cole Gravel Pit (Holocene), Meyer Cave (Holocene)

See also Chen caerulescens, Chen sp.