Figure 7 from: Wappler T, Petrulevičius J, Nel A, Rust J (2011) The diversity of Odonata and their endophytic ovipositions from the Upper Oligocene Fossillagerstätte of Rott (Rhineland, Germany). ZooKeys 130: 67-89. https://doi.org/10.3897/zookeys.130.1441

Figure 7 - Libellulidae species A from the Upper Oligocene Sapropelite- and Diatomite-Layers of Rott.7 Photograph of GPIBo Ro-37a. Abbreviations: N– nodus; RP3/4– posterior radius; MA– anterior media. Scale bar represent 5 mm.