Abundance: 1.82 to 23.53% (median 17.78%)

Latitudinal range: 41.9° to 47.7°

Habitats: (4) only

Found in 4 samples

United States: Luck O Hutch (Early Palaeocene), Ferris Formation (UW locality V-91031) (Early Palaeocene), Ferris Formation (UW locality V-91005) (Early Palaeocene), Ferris Formation (UW locality V-91025) (Early Palaeocene)

See also Periptychidae indet.