Paegniodes sapanensis sp. nov., larval morphology A gill I B gill II C gill III D gill IV E gill V F gill VI G gill VII.

 
 
  Part of: Boonsoong B, Auychinda C, Sartori M, Khanyom N (2021) First record of Paegniodes Eaton, 1881 (Ephemeroptera, Heptageniidae) from Thailand with description of a new species. ZooKeys 1036: 153-170. https://doi.org/10.3897/zookeys.1036.64880