Checklist for Subfamily Onychogomphinae Chao, 1984 and region Emigrant Gap (Placer County, California, USA)
Class | Insecta Linnaeus, 1758 Insects, True insects | 37 79 111 | Families Genera Species | Taxom | Subclass | Pterygota Lang, 1888 Winged insects | 37 79 111 | Families Genera Species | Taxom | Infraclass | Palaeoptera Crampton, 1915 Ancient winged insects | 6 15 28 | Families Genera Species | Taxom | Superorder | Odonatoptera Martynov, 1932
| 6 15 28 | Families Genera Species | Taxom | Order | Odonata Fabricius, 1793 Damselflies, Demoiselles, Dragonflies | 6 15 28 | Families Genera Species | Taxom | Suborder | Epiprocta Lohmann, 1996
| 4 9 14 | Families Genera Species | Taxom | Infraorder | Anisoptera Berthold, 1827 Dragonflies, True Dragonflies | 4 9 14 | Families Genera Species | Taxom | Superfamily | Gomphoidea Carle, 1986
| 1 1 0 | Family Genus Species | Taxom | | Family | Gomphidae Rambur, 1842 Club-tailed dragonflies, Clubtail dragonfly, Clubtails | 1 0 | Genus Species | Taxom | | Subfamily | Onychogomphinae Chao, 1984
| 1 0 | Genus Species | Taxom |
Genera for Emigrant Gap 1 Genera with 0 Species Erpetogomphus Selys, 1858 | Ringtails | 0 | Species | Taxom |
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