Weekers, P.H.H.; Dumont, H.J. (2004). A molecular study of the relationship between the coenagrionid genera Erythromma and Cercion, with the creation of Paracercion gen. nov. for the East Asiatic "Cercion" (Zygoptera: Coenagrionidae). Odonatologica, 33 (2), 181-188
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Weekers, P.H.H.; Dumont, H.J.
2004
A molecular study of the relationship between the coenagrionid genera Erythromma and Cercion, with the creation of Paracercion gen. nov. for the East Asiatic "Cercion" (Zygoptera: Coenagrionidae).