| Aeshnidae Rambur, 1842 | Darners | 92 | Species | Taxom |
| Ametropodidae Bengtsson, 1913 | Sand minnow mayflies | 1 | Species | Taxom |
| Arthropleidae Balthasar, 1937 | Flatheaded Mayflies | 1 | Species | Taxom |
| Baetidae Leach, 1815 | Mayflies | 74 | Species | Taxom |
| Baetiscidae Banks, 1900 | Armored Mayflies | 3 | Species | Taxom |
| Caenidae Newman, 1853 | Small square-gill mayflies | 22 | Species | Taxom |
| Calopterygidae Selys, 1850 | Broad-winged damselflies | 20 | Species | Taxom |
| Campylopteridae Handlirsch, 1906 | | 1 | Species | Taxom |
| Chlorocyphidae Cowley, 1937 | Jewel damselfly | 1 | Species | Taxom |
| Chlorogomphidae Needham, 1903 | | 1 | Species | Taxom |
| Chlorolestidae (Fraser, 1960) | | 1 | Species | Taxom |
| Coenagrionidae Kirby, 1890 | Narrow-winged damselflies | 129 | Species | Taxom |
| Cordulegastridae Calvert, 1893 | Biddie | 10 | Species | Taxom |
| Corduliidae Selys-Longch..., 1850 | Baskettails | 42 | Species | Taxom |
| Dicteriadidae Selys, 1853 | Barelegs | 1 | Species | Taxom |
| Enigmaeshnidae Nel, Neraude..., 2008 | | 1 | Species | Taxom |
| Epallagidae Needham, 1903 | | 1 | Species | Taxom |
| Ephemerellidae (Klapálek, 1909) | Blue-Winged Olive Ephemerellidae | 22 | Species | Taxom |
| Ephemeridae Leach, 1817 | Burrowing mayflies | 12 | Species | Taxom |
| Epiophlebiidae Muttkowski, 1911 | | 1 | Species | Taxom |
| Euphaeidae Jacobson & B..., 1905 | Gossamerwings | 2 | Species | Taxom |
| Gallophlebiidae Nel & al., 2015 | | 1 | Species | Taxom |
| Gomphidae Rambur, 1842 | Club-tailed dragonflies | 72 | Species | Taxom |
| Hemiphlebiidae Fraser, 1960 | Ancient greenling | 1 | Species | Taxom |
| Henrotayiidae Fleck, Bechl..., 2003 | | 1 | Species | Taxom |
| Heptageniidae Needham, 1901 | Flat-Bodied Up-Wings Heptageniidae | 104 | Species | Taxom |
| Heterophlebiidae Handlirsch, 1908 | | 1 | Species | Taxom |
| Huangiopteridae Prokop & al., 2015 | | 1 | Species | Taxom |
| Hypolestidae Fraser, 1938 | | 1 | Species | Taxom |
| Isostictidae Fraser, 1955 | Narrow-wings | 5 | Species | Taxom |
| Lapeyriidae Nel & al., 1999 | | 1 | Species | Taxom |
| Leptohyphidae Landa & Soldán, 1985 | Little Stout Crawler Mayflies | 1 | Species | Taxom |
| Leptophlebiidae Banks, 1900 | Leptophlebiids | 30 | Species | Taxom |
| Lestidae Calvert, 1901 | Spread-winged damselflies | 41 | Species | Taxom |
| Lestoideidae Tillyard & F..., 1938 | | 1 | Species | Taxom |
| Liassogomphidae Tillyard, 1935 | | 3 | Species | Taxom |
| Liassophlebiidae Tillyard, 1925 | Damsel-dragonflies | 0 | Species | Taxom |
| Libellulidae Rambur, 1842 | Chasers | 219 | Species | Taxom |
| Liupanshaniidae Bechly & al, 2001 | | 1 | Species | Taxom |
| Lodeviidae Nel & al., 2012 | | 1 | Species | Taxom |
| Meganeuridae Handlirsch, 1906 | | 14 | Species | Taxom |
| Megapodagrionidae Tillyard, 1917 | Flatwing | 21 | Species | Taxom |
| Mesoplectopteridae Demoulin, 1955 | | 1 | Species | Taxom |
| Misthodotidae Tillyard, 1932 | | 1 | Species | Taxom |
| Myopophlebiidae Bode, 1953 | | 4 | Species | Taxom |
| Neoephemeridae Traver, 1935 | Large square-gilled mayflies | 1 | Species | Taxom |
| Oligoneuriidae Ulmer, 1914 | Brushleg Mayflies | 8 | Species | Taxom |
| Paralogidae Handlirsch, 1906 | | 1 | Species | Taxom |
| Perilestidae Tillyard & F..., 1938 | Shortwings | 4 | Species | Taxom |
| Permagrionidae Tillyard, 1928 | | 2 | Species | Taxom |
| Permophlebiidae Nel & al., 2001 | | 1 | Species | Taxom |
| Petaluridae Needham, 1903 | Grayback dragonfly | 2 | Species | Taxom |
| Piroutetiidae Nel, 1989 | | 1 | Species | Taxom |
| Platycnemididae Tillyard, 1917 | White-legged damselflies | 10 | Species | Taxom |
| Platystictidae Laidlaw, 1924 | Forest Damselflies | 2 | Species | Taxom |
| Polymitarcyidae Banks, 1900 | Pale Burrower Mayflies | 4 | Species | Taxom |
| Polythoridae Munz, 1919 | Bannerwings | 1 | Species | Taxom |
| Potamanthidae Albarda, 1888 | Hacklegill mayflies | 3 | Species | Taxom |
| Prosopistomatidae Lameere, 1917 | | 3 | Species | Taxom |
| Protereismatidae Lameere, 1917 | | 1 | Species | Taxom |
| Protomyrmeleontidae Handlirsch, 1906 | | 1 | Species | Taxom |
| Protoneuridae Tillyard, 1917 | Bambootails | 9 | Species | Taxom |
| Pseudostigmatidae Tillyard, 1917 | Forest giants | 6 | Species | Taxom |
| Sieblosiidae Handlirsch, 1906 | | 11 | Species | Taxom |
| Siphlonuridae Banks, 1900 | Primitive Minnow Mayflies | 19 | Species | Taxom |
| Sphenophlebiidae Bechly, 1997 | | 1 | Species | Taxom |
| Stenophlebiidae Needham, 1903 | | 1 | Species | Taxom |
| Synlestidae Tillyard, 1917 | Malachite | 1 | Species | Taxom |
| Synthemidae (Tillyard, 1917) | | 6 | Species | Taxom |
| Synthemistidae Tillyard, 1917 | Southern emeralds | 1 | Species | Taxom |
| Syntonopteridae Handlirsch, 1911 | | 1 | Species | Taxom |
| Thaumatoneuridae Fraser, 1957 | | 1 | Species | Taxom |
| Tintorinidae Krzeminski &..., 2001 | | 1 | Species | Taxom |
| Toxodotidae Sinitshenkov..., 2005 | | 1 | Species | Taxom |
| Triadotypidae Grauvogel & ..., 1952 | | 3 | Species | Taxom |
| Triassoephemeridae Sinitshenkov..., 2005 | | 1 | Species | Taxom |
| Triassolestidae Bonaparte, 1970 | | 1 | Species | Taxom |
| Triassomanthidae Sinitshenkov..., 2005 | | 1 | Species | Taxom |
| Tricorythidae Lestage, 1942 | Little stout crawler mayflies | 0 | Species | Taxom |
| Triplosobidae Handlirsch, 1906 | | 1 | Species | Taxom |
| Vogesonymphidae Sinitshenkov..., 2005 | | 1 | Species | Taxom |
| Voltziaephemeridae Sinitshenkov..., 2005 | | 1 | Species | Taxom |
| Voltzialestidae Bechly, 1996 | | 1 | Species | Taxom |
