FIGURE 5 in The damselfly genus Furagrion Petrulevičius et al. (Odonata, Zygoptera) from the early Eocene Fur Formation of Denmark and the dysagrionoid grade

FIGURE 5. The wing of the Eocene Dysagrion lakesii showing the nine character states of Dysagriondae (see text) and wings of other odonates bearing many of these. Orange indicates the antesubnodal space, blue the quadrangle, and green the CuA- A space. Asterix indicates the origin of RP3-4. All scale bars 5 mm, Argia funki (Selys) and Austroargiolestes brookhousei Theischinger & O'Farrell to same scale. D. lakesii redrawn from Scudder (1890), Viridiflumineagrion aasei from Nel (2022), Austroargiolestes brookhousei from Tann (2021), Argia funki from Garrison et al. (2010), and Treintamilun vuelvenlucha redrawn from Petrulevičius (2017). Abbreviations as in Fig. 2 except: AA = anterior anal vein; CuP = posterior cubitus; * = origin of RP3-4.