Abundance: 0.14 to 2.54% (median 1.19%)

Latitudinal range: 40.9° to 43.6°

Habitats: (4) only

Found in 4 samples

United States: McCann Canyon (Early Miocene), Red Basin (UOloc 2495) (Middle Miocene), Quartz Basin (UOloc 2465) (Middle Miocene), Martin Canyon Quarry A (Early Miocene)

See also Mystipterus martini, Mystipterus pacificus, Mystipterus sp.