Figure 6 from: Boonsoong B, Sartori M (2019) Review and integrative taxonomy of the genus Prosopistoma Latreille, 1833 (Ephemeroptera, Prosopistomatidae) in Thailand, with description of a new species. ZooKeys 825: 123-144. https://doi.org/10.3897/zookeys.825.32443

Figure 6 - Prosopistoma carinatum sp. n.: A Antenna B–C Labium B ventral view C ventral view D Labrum, dorsal view E–G Mandible E Left mandible (ventral view) F Right mandible (ventral view) G Enlargement of canine of the right mandible, (H). Scale bars: 0.02 mm (H); 0.05 mm (G); 0.1 mm (A, D, E, F); 0.2 mm (B, C).