''Idionyx'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

dragonflies A dragonfly is a flying insect belonging to the infraorder Anisoptera below the order Odonata. About 3,000 extant species of dragonflies are known. Most are tropical, with fewer species in temperate regions. Loss of wetland habitat threate ...

in the family

Synthemistidae The Synthemistidae are the family of dragonflies commonly known as tigertails, or sometimes called southern emeralds. This family is part of the superfamily Libelluloidea. Synthemistidae is an ancient dragonfly family, with some species occu ...

, which is earlier treated as a subfamily of

Corduliidae Corduliidae, also knowns as the emeralds, emerald dragonflies, or green-eyed skimmers, is a family of dragonflies. These dragonflies are usually black or dark brown with areas of metallic green or yellow, and most of them have large, emerald-green ...

. According to World Odonata List, "this family may be an unnatural grouping; more genetic research is needed." The genus consists of the following species:

References

Libelluloidea Anisoptera genera Taxa named by Hermann August Hagen {{dragonfly-stub