Huber, Brian T. 1999. "
Family Heterohelicidae Cushman, 1927." In
Atlas of Paleocene Planktonic Foraminifera. Olsson, Richard K., Berggren, William A., Hemleben, Christoph, and Huber, Brian T., editors. 93–99. Washington, DC: Smithsonian Institution Press. In
Smithsonian Contributions to Paleobiology, 85.