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APA Citation
Ma, Z., Han, N., Zhang, W., & Zhou, C. (2018). position and definition of the genus Paegniodes Eaton, 1881 based on redescription on the type species Paegniodes cupulatus (Eaton, 1871) (Ephemeroptera: Heptageniidae). Aquatic insects, 39(4), 362–374. http://access.bl.uk/ark:/81055/vdc_100076251983.0x000054