Tennessen, Kenneth (2019), Tennessen, Kenneth J. (ed.), "Cordulegastridae", Dragonfly Nymphs of North America: An Identification Guide, Cham: Springer International Publishing, pp. 307–328, doi:10.1007/978-3-319-97776-8_9, ISBN978-3-319-97776-8, S2CID239137100
Tennessen, Kenneth (2019), Tennessen, Kenneth J. (ed.), "Cordulegastridae", Dragonfly Nymphs of North America: An Identification Guide, Cham: Springer International Publishing, pp. 307–328, doi:10.1007/978-3-319-97776-8_9, ISBN978-3-319-97776-8, S2CID239137100