New Cenozoic dragonflies from the Most Basin and Středohoří Complex volcanic area (Czech Republic, Germany) Author Prokop, Jakub Faculty of Science, Department of Zoology, Charles University in Prague, Praha 2, Czech Republic; Author Pecharová, Martina Faculty of Science, Department of Zoology, Charles University in Prague, Praha 2, Czech Republic; Author Nel, André Muséum national d’histoire naturelle, Institut de systématique, évolution, biodiversité, ISYEB, UMR 7205 CNRS UPMC EPHE, CP 50, Sorbonne Universités, Paris, France text Journal of Natural History 2016 2016-05-31 50 2311 2326 http://dx.doi.org/10.1080/00222933.2016.1193648 journal article 21211 10.1080/00222933.2016.1193648 0accf87d-7caf-45ef-9d8f-fa2e868a88a9 1464-5262 3993016 7A3BB1C3-5A70-4058-86A5-731B58C0ADC3 ? Ictinogomphus species undetermined ( Figure 5 (a, b)) ? Ictinogomphus Cowley, 1934 : Prokop and Fikáček 2007 , p. 210, fig. 1 Material SMMG SaT 532, collection of Senckenberg Naturhistorische Sammlungen Dresden , Saxony , Germany . Figure 5. ? Ictinogomphus species indet. ( Lindeniidae ), (A) Photograph of specimen under film layer of ethyl alcohol SMMG SaT 532 (Senckenberg Naturhistorische Sammlungen Dresden coll., Germany); (B) line drawing of fore wing. Scale bar represent 5 mm. Age and outcrop Early Oligocene (Rupelian), Seifhennersdorf ( Saxony , Germany ) ( Figure 1 ), inter-bedded brownish diatomite within the magmatic complex, equivalent of the Loučeň Formation (see Walther and Kvaček 2007 ). Description Distal two-third of a hyaline fore wing, about 29.2 mm long, 9.4 mm wide; distance between nodus and pterostigma 11.5 mm , between pterostigma and wing apex 3.2 mm ; pterostigma 5.7 mm long, 1.14 mm wide, covering six cells; pterostigmal brace oblique; three rows of cells in postdiscoidal area between triangle and posterior branch of MA; MA and IR2 both with a very distinct diverging posterior branch; 12 postnodal cross-veins, not aligned with postsubnodal cross-veins; two rows of cells between MA and RP3/4 near posterior wing margin; four rows of cells between MP and CuA along posterior wing margin; five rows of cells between CuA and posterior wing margin.