| Aeschnidiidae Needham, 1903 | Small darner | 9 | Species | Taxom |
| Aeshnidae Rambur, 1842 | Darners | 70 | Species | Taxom |
| Aktassiidae Pritykina, 1968 | | 3 | 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 | | 2 | Species | Taxom |
| Arthropleidae Balthasar, 1937 | Flatheaded Mayflies | 1 | Species | Taxom |
| Austroperilestidae Petruleviciu..., 2005 | | 1 | Species | Taxom |
| Babidae Kluge, Godun..., 2006 | | 1 | Species | Taxom |
| Baetidae Leach, 1815 | Mayflies | 5 | Species | Taxom |
| Baetiscidae Banks, 1900 | Armored Mayflies | 2 | Species | Taxom |
| Bolcacorduliidae Gentilini, 2002 | | 1 | Species | Taxom |
| Bolcathoridae Gentilini, 2002 | | 1 | Species | Taxom |
| Calopterygidae Selys, 1850 | Broad-winged damselflies | 6 | Species | Taxom |
| Campterophlebiidae Handlirsch, 1920 | | 3 | Species | Taxom |
| Chlorolestidae (Fraser, 1960) | | 1 | Species | Taxom |
| Coenagrionidae Kirby, 1890 | Narrow-winged damselflies | 21 | Species | Taxom |
| Cordulegasteridae | | 3 | Species | Taxom |
| Cordulephyidae Tillyard, 1917 | | 1 | Species | Taxom |
| Corduliidae Selys-Longch..., 1850 | Baskettails | 15 | Species | Taxom |
| Cymatophlebiidae Handlirsch, 1906 | | 6 | Species | Taxom |
| Epallagidae Needham, 1903 | | 10 | Species | Taxom |
| Ephemerellidae (Klapálek, 1909) | Blue-Winged Olive Ephemerellidae | 3 | Species | Taxom |
| Ephemeridae Leach, 1817 | Burrowing mayflies | 13 | Species | Taxom |
| Erichschmidtiidae Bechly, 1996 | | 0 | Species | Taxom |
| Eumorbaeschnidae Bechly, 1996 | | 2 | Species | Taxom |
| Euphaeidae Jacobson & B..., 1905 | Gossamerwings | 2 | Species | Taxom |
| Frenguelliidae Petruleviciu..., 2003 | | 2 | Species | Taxom |
| Gomphaeschnidae Tillyard & F..., 1940 | | 1 | Species | Taxom |
| Gomphidae Rambur, 1842 | Club-tailed dragonflies | 14 | Species | Taxom |
| Hemiphlebiidae Fraser, 1960 | Ancient greenling | 1 | Species | Taxom |
| Heptageniidae Needham, 1901 | Flat-Bodied Up-Wings Heptageniidae | 16 | Species | Taxom |
| Hexagenitidae Lameere, 1917 | | 6 | Species | Taxom |
| Hypolestidae Fraser, 1938 | | 3 | Species | Taxom |
| Idionychidae Tillyard & F..., 1940 | | 1 | Species | Taxom |
| Isophlebiidae Handlirsch, 1908 | | 4 | Species | Taxom |
| Juracorduliidae Bechly & Ueda, 2002 | | 1 | Species | Taxom |
| Latibasaliidae Petruleviciu..., 2004 | | 2 | Species | Taxom |
| Leptophlebiidae Banks, 1900 | Leptophlebiids | 19 | Species | Taxom |
| Lestidae Calvert, 1901 | Spread-winged damselflies | 21 | Species | Taxom |
| Liassophlebiidae Tillyard, 1925 | Damsel-dragonflies | 1 | Species | Taxom |
| Libellulidae Rambur, 1842 | Chasers | 54 | Species | Taxom |
| Liupanshaniidae Bechly & al, 2001 | | 2 | Species | Taxom |
| Meganeuridae Handlirsch, 1906 | | 3 | Species | Taxom |
| Megapodagrionidae Tillyard, 1917 | Flatwing | 18 | Species | Taxom |
| Mesephemeridae Lameere, 1917 | | 3 | Species | Taxom |
| Mesuropetalidae Bechly, 1996 | | 1 | Species | Taxom |
| Neoephemeridae Traver, 1935 | Large square-gilled mayflies | 2 | Species | Taxom |
| Oligoneuriidae Ulmer, 1914 | Brushleg Mayflies | 7 | Species | Taxom |
| Palaeomacromiidae Petruleviciu..., 1999 | | 4 | Species | Taxom |
| Paragonophlebiidae Nel, 2009 | | 1 | Species | Taxom |
| Parastenophlebiidae Bechly, 2005 | | 1 | Species | Taxom |
| Perilestidae Tillyard & F..., 1938 | Shortwings | 2 | Species | Taxom |
| Petaluridae Needham, 1903 | Grayback dragonfly | 2 | Species | Taxom |
| Platycnemididae Tillyard, 1917 | White-legged damselflies | 2 | Species | Taxom |
| Priscalestidae Wappler & Pe..., 2007 | | 1 | Species | Taxom |
| Prohemeroscopidae Bechly & Ueda, 2002 | | 2 | Species | Taxom |
| Prostenophlebiidae Fleck & al., 2003 | | 1 | Species | Taxom |
| Proterogomphidae Bechly, 1996 | | 1 | Species | Taxom |
| Protomyrmeleontidae Handlirsch, 1906 | | 7 | Species | Taxom |
| Protoneuridae Tillyard, 1917 | Bambootails | 1 | Species | Taxom |
| Sharephemeridae Sinitshenkova, 2002 | | 1 | Species | Taxom |
| Sieblosiidae Handlirsch, 1906 | | 21 | Species | Taxom |
| Siphlonuridae Banks, 1900 | Primitive Minnow Mayflies | 24 | Species | Taxom |
| Steleopteridae Handlirsch, 1906 | | 4 | Species | Taxom |
| Stenophlebiidae Needham, 1903 | | 5 | Species | Taxom |
| Tarsophlebiidae Handlirsch, 1906 | | 4 | Species | Taxom |
| Thaumatoneuridae Fraser, 1957 | | 14 | Species | Taxom |
| Torephemeridae Sinitshekova, 1989 | | 2 | Species | Taxom |
| Urothemistidae Lieftinck, 1954 | | 1 | Species | Taxom |
| Zacallitidae Cockerell, 1928 | Extinct family of damselflies | 1 | Species | Taxom |
