Abundance: 0.14 to 2.54% (median 0.39%)

Latitudinal range: 42.8° to 43.6°

Habitats: (3) only

Found in 3 samples

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

See also Mystipterus pacificus, Mystipterus sp.