| Aeschnidiidae Needham, 1903 | Small darner | 2 | Species | Taxom |
| Aeshnidae Rambur, 1842 | Darners | 22 | Species | Taxom |
| Allopetaliidae Cockerell, 1913 | | 2 | Species | Taxom |
| Ameletidae McCafferty, 1991 | Combmouthed Minnow Mayflies | 1 | Species | Taxom |
| Ameletopsidae Edmunds, 1957 | | 1 | Species | Taxom |
| Ametropodidae Bengtsson, 1913 | Sand minnow mayflies | 1 | Species | Taxom |
| Amphipterygidae Selys, 1853 | | 1 | Species | Taxom |
| Arthropleidae Balthasar, 1937 | Flatheaded Mayflies | 2 | Species | Taxom |
| Baetidae Leach, 1815 | Mayflies | 12 | Species | Taxom |
| Baetiscidae Banks, 1900 | Armored Mayflies | 2 | Species | Taxom |
| Batkeniidae Pritykina, 1981 | | 1 | Species | Taxom |
| Behningiidae Motas & Bacesco, 1937 | Tuskless burrowing mayflies | 0 | Species | Taxom |
| Caenidae Newman, 1853 | Small square-gill mayflies | 4 | Species | Taxom |
| Callimokaltaniidae Zalessky, 1955 | | 1 | Species | Taxom |
| Calopterygidae Selys, 1850 | Broad-winged damselflies | 4 | Species | Taxom |
| Campterophlebiidae Handlirsch, 1920 | | 13 | Species | Taxom |
| Coenagrionidae Kirby, 1890 | Narrow-winged damselflies | 30 | Species | Taxom |
| Cordulegastridae Calvert, 1893 | Biddie | 2 | Species | Taxom |
| Corduliidae Selys-Longch..., 1850 | Baskettails | 10 | Species | Taxom |
| Cyclothemistidae Bechly, 1996 | | 1 | Species | Taxom |
| Ditaxineuridae Tillyard, 1926 | | 1 | Species | Taxom |
| Epallagidae Needham, 1903 | | 1 | Species | Taxom |
| Epeoromimidae Tshernova, 1969 | | 1 | Species | Taxom |
| Ephemerellidae (Klapálek, 1909) | Blue-Winged Olive Ephemerellidae | 3 | Species | Taxom |
| Ephemeridae Leach, 1817 | Burrowing mayflies | 8 | Species | Taxom |
| Euphaeidae Jacobson & B..., 1905 | Gossamerwings | 1 | Species | Taxom |
| Gomphidae Rambur, 1842 | Club-tailed dragonflies | 16 | Species | Taxom |
| Hemeroscopidae Pritykina, 1977 | | 1 | Species | Taxom |
| Hemiphlebiidae Fraser, 1960 | Ancient greenling | 1 | Species | Taxom |
| Hemizygopteridae Zalessky, 1955 | | 3 | Species | Taxom |
| Heptageniidae Needham, 1901 | Flat-Bodied Up-Wings Heptageniidae | 32 | Species | Taxom |
| Hexagenitidae Lameere, 1917 | | 5 | Species | Taxom |
| Idionychidae Tillyard & F..., 1940 | | 1 | Species | Taxom |
| Isophlebiidae Handlirsch, 1908 | | 4 | Species | Taxom |
| Kaltanoneuridae Rohdendorf, 1961 | | 1 | Species | Taxom |
| Kargalotypidae Zessin, 1983 | | 1 | Species | Taxom |
| Kennedyidae Tillyard, 1925 | | 6 | Species | Taxom |
| Leptophlebiidae Banks, 1900 | Leptophlebiids | 26 | Species | Taxom |
| Lestidae Calvert, 1901 | Spread-winged damselflies | 11 | Species | Taxom |
| Libellulidae Rambur, 1842 | Chasers | 50 | Species | Taxom |
| Liupanshaniidae Bechly & al, 2001 | | 1 | Species | Taxom |
| Meganeuridae Handlirsch, 1906 | | 8 | Species | Taxom |
| Megapodagrionidae Tillyard, 1917 | Flatwing | 2 | Species | Taxom |
| Mesephemeridae Lameere, 1917 | | 1 | Species | Taxom |
| Misthodotidae Tillyard, 1932 | | 5 | Species | Taxom |
| Oligoneuriidae Ulmer, 1914 | Brushleg Mayflies | 13 | Species | Taxom |
| Palingeniidae Albarda, 1888 | Riverbed Burrower Mayflies | 2 | Species | Taxom |
| Permaeschnidae Martynov, 1931 | | 1 | Species | Taxom |
| Permagrionidae Tillyard, 1928 | | 7 | Species | Taxom |
| Permepallagidae Martynov, 1938 | | 1 | Species | Taxom |
| Permophlebiidae Nel & al., 2001 | | 1 | Species | Taxom |
| Petaluridae Needham, 1903 | Grayback dragonfly | 1 | Species | Taxom |
| Pholidoptilidae Zalessky, 1931 | | 1 | Species | Taxom |
| Platycnemididae Tillyard, 1917 | White-legged damselflies | 2 | Species | Taxom |
| Platystictidae Laidlaw, 1924 | Forest Damselflies | 1 | Species | Taxom |
| Polymitarcyidae Banks, 1900 | Pale Burrower Mayflies | 2 | Species | Taxom |
| Potamanthidae Albarda, 1888 | Hacklegill mayflies | 1 | Species | Taxom |
| Prosopistomatidae Lameere, 1917 | | 8 | Species | Taxom |
| Prostenophlebiidae Fleck & al., 2003 | | 1 | Species | Taxom |
| Protereismatidae Lameere, 1917 | | 8 | Species | Taxom |
| Protomyrmeleontidae Handlirsch, 1906 | | 1 | Species | Taxom |
| Protoneuridae Tillyard, 1917 | Bambootails | 1 | Species | Taxom |
| Pseudostigmatidae Tillyard, 1917 | Forest giants | 2 | Species | Taxom |
| Sharephemeridae Sinitshenkova, 2002 | | 2 | Species | Taxom |
| Sieblosiidae Handlirsch, 1906 | | 4 | Species | Taxom |
| Siphlonuridae Banks, 1900 | Primitive Minnow Mayflies | 31 | Species | Taxom |
| Synlestidae Tillyard, 1917 | Malachite | 1 | Species | Taxom |
| Tarsophlebiidae Handlirsch, 1906 | | 2 | Species | Taxom |
| Thaumatoneuridae Fraser, 1957 | | 2 | Species | Taxom |
| Torephemeridae Sinitshekova, 1989 | | 3 | Species | Taxom |
| Vogesonymphidae Sinitshenkov..., 2005 | | 1 | Species | Taxom |
| Voltzialestidae Bechly, 1996 | | 1 | Species | Taxom |
