Figures 15–22.Nanosialidae: 15 Nanosialis ponomarenkoi gen. et sp. n., holotype forewing PIN 3840/2603A (mirror image) 16–17 Nanosialis ?ponomarenkoi PIN 3840/2604A: 16 body with superimposed wings (part) 17 thorax and base of abdomen (counterpart, SEM, BSE) 18 Nanosialis bashkuevi sp. n., holotype hind wing PIN 3840/2633 19 Lydasialis micheneri gen. et sp. n., holotype forewing PIN 3840/2602 20 Lydasialis ?micheneri, hind wing 3840/2601 21 Hymega rasnitsyni gen. et sp. n., holotype forewing PIN 3840/2600 22 Raphisialis martynovi gen. et sp. n., holotype forewing PIN 3840/2009 (mirror image). Scale bars, 500 µm.
Figures 23–28.Nanosialidae venation: 23 Nanosialis ?ponomarenkoi, forewing, reconstructed 24 Nanosialis bashkuevi sp. n., hind wing 25 Hymega rasnitsyni gen. et sp. n., forewing PIN 3840/2604A, reconstructed 26 Lydasialis micheneri gen. et sp. n., forewing 27 Lydasialis ?micheneri, hind wing PIN 3840/2601 28 Raphisialis martynovi gen. et sp. n., forewing, reconstructed. Scale bars, 500 µm.
