Sinahemeroscopus, Huang, Di-Ying & Nel, André, 2010

Huang, Di-Ying & Nel, André, 2010, Sinahemeroscopus magnificus, new genus and species of ‘ libelluloid’ dragonfly from the Chinese Mesozoic (Odonata, Anisoptera: Nannogomphidae?), Zootaxa 2388, pp. 44-48 : 45

Sinahemeroscopus gen. nov.

Type species. Sinahemeroscopus magnificus sp. nov.

Etymology. The name is a combination of ‘Sinica’, the Latin name for China, and Hemeroscopus, a related genus. Gender masculine.

Diagnosis. Forewing characters only. Distal part of antesubnodal area free of cross-veins (‘cordulegastrid gap’), RP 3/4 and MA slightly undulate and parallel up to hind margin; no basal furcation of IR2 basal of lestine oblique vein; pterostigmal brace oblique, aligned with basal side of Pt; Pt two-celled, not parallel sided (distal side more oblique than basal side); forewing nodus shifted distinctly distal to midwing position; area between RP 2 and IR2 distinctly widened distally, with five rows of cells in distal half; subdiscoidal triangle free; postnodal cross-veins not aligned with postsubnodal cross-veins; Mspl absent; Rspl rudimentary, with one row of cells between it and IR2; pseudo-IR1 short; Ax1 and Ax2 stronger than secondary antenodal crossveins, no secondaries between them; Ax2 shifted basal to level of distal angle of T; one oblique cross-vein ‘O’ four cells distal of subnodus; T elongate and free; posdiscoidal area with only two rows of cells just distal of T.