| Aeshnidae Rambur, 1842 | Darners | 69 | Species | Taxom |
| Ametropodidae Bengtsson, 1913 | Sand minnow mayflies | 1 | Species | Taxom |
| Arthropleidae Balthasar, 1937 | Flatheaded Mayflies | 1 | Species | Taxom |
| Baetidae Leach, 1815 | Mayflies | 55 | Species | Taxom |
| Baetiscidae Banks, 1900 | Armored Mayflies | 3 | Species | Taxom |
| Caenidae Newman, 1853 | Small square-gill mayflies | 21 | Species | Taxom |
| Calopterygidae Selys, 1850 | Broad-winged damselflies | 17 | Species | Taxom |
| Campylopteridae Handlirsch, 1906 | | 1 | Species | Taxom |
| Coenagrionidae Kirby, 1890 | Narrow-winged damselflies | 82 | Species | Taxom |
| Cordulegastridae Calvert, 1893 | Biddie | 8 | Species | Taxom |
| Corduliidae Selys-Longch..., 1850 | Baskettails | 34 | Species | Taxom |
| Enigmaeshnidae Nel, Neraude..., 2008 | | 1 | Species | Taxom |
| Epallagidae Needham, 1903 | | 1 | Species | Taxom |
| Ephemerellidae (Klapálek, 1909) | Blue-Winged Olive Ephemerellidae | 19 | Species | Taxom |
| Ephemeridae Leach, 1817 | Burrowing mayflies | 10 | 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 | 49 | Species | Taxom |
| Hemiphlebiidae Fraser, 1960 | Ancient greenling | 1 | Species | Taxom |
| Heptageniidae Needham, 1901 | Flat-Bodied Up-Wings Heptageniidae | 85 | Species | Taxom |
| Huangiopteridae Prokop & al., 2015 | | 1 | Species | Taxom |
| Hypolestidae Fraser, 1938 | | 1 | Species | Taxom |
| Isostictidae Fraser, 1955 | Narrow-wings | 4 | Species | Taxom |
| Lapeyriidae Nel & al., 1999 | | 1 | Species | Taxom |
| Leptohyphidae Landa & Soldán, 1985 | Little Stout Crawler Mayflies | 1 | Species | Taxom |
| Leptophlebiidae Banks, 1900 | Leptophlebiids | 26 | Species | Taxom |
| Lestidae Calvert, 1901 | Spread-winged damselflies | 35 | Species | Taxom |
| Libellulidae Rambur, 1842 | Chasers | 133 | 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 | 11 | Species | Taxom |
| Mesoplectopteridae Demoulin, 1955 | | 1 | Species | Taxom |
| Misthodotidae Tillyard, 1932 | | 1 | Species | Taxom |
| Neoephemeridae Traver, 1935 | Large square-gilled mayflies | 1 | Species | Taxom |
| Oligoneuriidae Ulmer, 1914 | Brushleg Mayflies | 6 | Species | Taxom |
| Paralogidae Handlirsch, 1906 | | 1 | 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 | 7 | Species | Taxom |
| Platystictidae Laidlaw, 1924 | Forest Damselflies | 1 | Species | Taxom |
| Polymitarcyidae Banks, 1900 | Pale Burrower Mayflies | 3 | Species | Taxom |
| Polythoridae Munz, 1919 | Bannerwings | 1 | Species | Taxom |
| Potamanthidae Albarda, 1888 | Hacklegill mayflies | 1 | Species | Taxom |
| Prosopistomatidae Lameere, 1917 | | 1 | Species | Taxom |
| Protereismatidae Lameere, 1917 | | 1 | Species | Taxom |
| Protoneuridae Tillyard, 1917 | Bambootails | 4 | Species | Taxom |
| Pseudostigmatidae Tillyard, 1917 | Forest giants | 3 | Species | Taxom |
| Sieblosiidae Handlirsch, 1906 | | 11 | Species | Taxom |
| Siphlonuridae Banks, 1900 | Primitive Minnow Mayflies | 18 | Species | Taxom |
| Stenophlebiidae Needham, 1903 | | 1 | Species | Taxom |
| Synthemidae (Tillyard, 1917) | | 3 | Species | Taxom |
| Syntonopteridae Handlirsch, 1911 | | 1 | Species | Taxom |
| Thaumatoneuridae Fraser, 1957 | | 1 | Species | Taxom |
| Toxodotidae Sinitshenkov..., 2005 | | 1 | Species | Taxom |
| Triadotypidae Grauvogel & ..., 1952 | | 3 | Species | Taxom |
| Triassoephemeridae Sinitshenkov..., 2005 | | 1 | Species | Taxom |
| Triassomanthidae Sinitshenkov..., 2005 | | 1 | 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 |
