F.M.F.M.CarpenterF.M.F.M., Treatise on Invertebrate Paleontology. Part R (Arthropoda 4), Volume 3 (Superclass Hexapoda), Boulder, Colorado–Lawrence, Kansas: Geological Society of America & University of Kansas Press, 1992, s. 134, 158, 204, ISBN 0-8137-3019-8, LCCN53-12913(ang.).