? 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 .

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.