Jeffrey Webb has authored an identification manual for the Western North American Baetidae. The publication is available through the Southwest Association of Freshwater Invertebrate Taxonomists (SAFIT).
Fasbender, A. 2017. Ptychopteridae (Phantom Crane Flies or Fold-winged Crane Flies). Chapter 27 in: Kirk-Spriggs, A.H. and Sinclair, B.J. (eds.) 2017. Manual of Afrotropical Diptera. Volume 2. Nematocerous Diptera and lower Brachycera. Suricata 5. South African National Biodiversity Institute, Pretoria; pp. 653-657.