†Necracantha composita Martynov 1929 (darner dragonfly)
Full reference: A. V. Martynov. 1929. Ob Iekopaemyx Tretiyx Otlozzenij Ashutaea Zajeanekogo Ueada [Fossil insects from Tertiary deposits in Ashutas, Saisan District]. Trudy Geologicheskogo Muzeya, Akademii Nauk SSSR 5:173-216
Belongs to Necracantha according to A. Nel et al. 1994
Sister taxon: Necracantha proxima
Type specimen: PIN 2113/6, a wing. Its type locality is Mount Ashutas at the river Irtysh, which is in an Oligocene terrestrial claystone in Kazakstan.
Ecology: fast-moving volant carnivore-insectivore
Average measurements (in mm): forewing length 60.0, hindwing length 60.0