| Acanthocnemidae Crowson, 1964 | | 1 | Species | Taxom |
| Achilidae Stål, 1866 | Achilid Planthoppers | 1 | Species | Taxom |
| Acroceridae Leach, 1815 | Hunch-back flies | 2 | Species | Taxom |
| Aeolothripidae Uzel, 1895 | Banded thrips | 1 | Species | Taxom |
| Aerophasmidae Martynov, 1928 | | 3 | Species | Taxom |
| Aeschnidiidae Needham, 1903 | Small darner | 1 | Species | Taxom |
| Aktassiidae Pritykina, 1968 | | 1 | Species | Taxom |
| Albiococcidae Koteja, 2004 | | 1 | Species | Taxom |
| Aleyrodidae Westwood, 1840 | Whiteflies | 2 | Species | Taxom |
| Alienopteridae Bai & al., 2016 | | 1 | Species | Taxom |
| Ambermantidae Grimaldi, 2003 | | 1 | Species | Taxom |
| Ametropodidae Bengtsson, 1913 | Sand minnow mayflies | 1 | Species | Taxom |
| Amphientomidae Enderlein, 1903 | Tropical Barklice | 1 | Species | Taxom |
| Ampulicidae Shuckard, 1840 | Ampulicid wasps | 5 | Species | Taxom |
| Anaplectidae Walker, 1868 | | 1 | Species | Taxom |
| Anaxyelidae Martynov, 1925 | Anaxyelids | 1 | Species | Taxom |
| Anisolabididae Verhoeff, 1902 | | 1 | Species | Taxom |
| Anthicidae Latreille, 1819 | Ant beetles | 1 | Species | Taxom |
| Anthribidae Billberg, 1820 | Fungus Weevil | 2 | Species | Taxom |
| Aphididae Latreille, 1802 | Aphids | 14 | Species | Taxom |
| Apidae Latreille, 1802 | Bumble bees | 1 | Species | Taxom |
| Apsilocephalidae Nagatomi & al., 1991 | | 2 | Species | Taxom |
| Aptenoperissidae Rasnitsyn & ..., 2016 | | 1 | Species | Taxom |
| Aradidae Spinola, 1837 | Flat bug | 4 | Species | Taxom |
| Archaeatropidae Baz & Ortuño, 2000 | | 2 | Species | Taxom |
| Archipsyllidae Handlirsch, 1908 | | 3 | Species | Taxom |
| Archizelmiridae Rohdendorf, 1962 | | 2 | Species | Taxom |
| Asilidae Latreille, 1802 | Assassin flies | 2 | Species | Taxom |
| Atelestidae Hennig, 1970 | | 8 | Species | Taxom |
| Attelabidae Billberg, 1820 | Leaf Rolling Weevil | 3 | Species | Taxom |
| Aulacidae Shuckard, 1842 | Aulacid wasps | 4 | Species | Taxom |
| Australiphemeridae McCafferty, 1991 | | 2 | Species | Taxom |
| Austroniidae Kozlov, 1975 | Austroniid wasps | 1 | Species | Taxom |
| Babinskaiidae Martins-Neto..., 1989 | | 3 | Species | Taxom |
| Baetidae Leach, 1815 | Mayflies | 2 | Species | Taxom |
| Baissidae Rasnitsyn, 1975 | | 1 | Species | Taxom |
| Baissopteridae Martynova, 1961 | | 1 | Species | Taxom |
| Bajanzhargalanidae Storozhenko, 1992 | | 1 | Species | Taxom |
| Belidae Schönherr, 1826 | Belid Beetle | 1 | Species | Taxom |
| Berothidae Handlirsch, 1906 | Beaded lacewing | 17 | Species | Taxom |
| Bethylidae Halliday, 1839 | Bethylid wasps | 10 | Species | Taxom |
| Bibionidae Fleming, 1821 | Bibionid flies | 2 | Species | Taxom |
| Bittacidae Handlirsch, 1906 | Hanging scorpionflies | 1 | Species | Taxom |
| Blattellidae (Karny, 1908) | German Cockroach | 2 | Species | Taxom |
| Blattidae Stephens, 1829 | American cockroaches | 2 | Species | Taxom |
| Blattulidae Vishnyokova, 1982 | | 2 | Species | Taxom |
| Blephariceridae Loew, 1861 | Mountain midges | 3 | Species | Taxom |
| Bombyliidae Latreille, 1802 | Bee Flies | 2 | Species | Taxom |
| Brachyceridae (Billberg, 1820) | Brachycerids | 4 | Species | Taxom |
| Braconidae Latreille, 1829 | Braconid wasps | 12 | Species | Taxom |
| Brentidae Billberg, 1820 | Brenthidae | 4 | Species | Taxom |
| Buprestidae Leach, 1815 | Flat-headed wood-borers | 9 | Species | Taxom |
| Burmacoccidae Koteja, 2004 | | 1 | Species | Taxom |
| Burmaphlebiidae Bechly & Poinar, 2013 | | 1 | Species | Taxom |
| Burmitaphididae Poinar & Brown, 2005 | | 2 | Species | Taxom |
| Calamoceratidae Ulmer, 1905 | | 1 | Species | Taxom |
| Calliphoridae Brauer & Ber..., 1889 | Blow flies | 1 | Species | Taxom |
| Canadaphididae Richards, 1966 | | 3 | Species | Taxom |
| Cantharidae Imhoff, 1856 | Cantharids | 3 | Species | Taxom |
| Carabidae Latreille, 1802 | Carabid beetles | 7 | Species | Taxom |
| Caridae Thompson, 1992 | | 5 | Species | Taxom |
| Cecidomyiidae Newman, 1834 | Forest Midges | 5 | Species | Taxom |
| Cephidae Newman, 1834 | Cephids | 2 | Species | Taxom |
| Cerambycidae Latreille, 1802 | Long Horn beetles | 1 | Species | Taxom |
| Ceratopogonidae Newman, 1834 | Biting midge | 79 | Species | Taxom |
| Cerophytidae Latreille, 1834 | Cerophytid beetles | 2 | Species | Taxom |
| Chaeteessidae Handlirsch, 1920 | | 1 | Species | Taxom |
| Chaoboridae Newman, 1834 | Phantom midge | 4 | Species | Taxom |
| Chimeromyiidae Grimaldi & C..., 2009 | | 1 | Species | Taxom |
| Chironomidae Erichson, 1842 | Chironomids | 6 | Species | Taxom |
| Chresmodidae Haase, 1890 | | 1 | Species | Taxom |
| Chrysididae Latreille, 1802 | Chrysidid wasps | 6 | Species | Taxom |
| Chrysomelidae Latreille, 1802 | Casebearers | 2 | Species | Taxom |
| Chrysopidae Schneider, 1851 | And Green Lacewings | 1 | Species | Taxom |
| Cicadellidae Latreille, 1802 | Cicadellids | 1 | Species | Taxom |
| Cicadidae Westwood, 1840 | Cicada | 14 | Species | Taxom |
| Cimicidae Latreille, 1802 | Bat bugs | 1 | Species | Taxom |
| Clothodidae Tillyard, 1937 | | 1 | Species | Taxom |
| Coccidae Stephens, 1829 | Soft scale | 1 | Species | Taxom |
| Coccinellidae Latreille, 1807 | Coccinelles | 1 | Species | Taxom |
| Compsocidae Mockford, 1967 | | 3 | Species | Taxom |
| Coniopterygidae Burmeister, 1839 | Dusty lacewings | 11 | Species | Taxom |
| Corixidae Leach, 1815 | Lesser Water-Boatman | 3 | Species | Taxom |
| Corydalidae Burmeister, 1839 | Dobsonflies | 1 | Species | Taxom |
| Corydiidae de Saussure, 1864 | Sand cockroaches | 1 | Species | Taxom |
| Crabronidae Latreille, 1802 | Bee Wolves | 6 | Species | Taxom |
| Cretamyzidae Heie, 1992 | | 1 | Species | Taxom |
| Cretostylopidae Grimalid & K..., 2005 | | 1 | Species | Taxom |
| Cryptophagidae Kirby, 1937 | Mould beetles | 3 | Species | Taxom |
| Cucujidae Latreille, 1802 | Flat bark beetles | 1 | Species | Taxom |
| Culicidae Meigen, 1818 | Mosquito | 2 | Species | Taxom |
| Cupedidae Laporte, 1836 | Cupedids | 2 | Species | Taxom |
| Curculionidae Latreille, 1802 | Ambrosia beetles | 18 | Species | Taxom |
| Cynipidae Latreille, 1802 | Cynipid gall wasps | 2 | Species | Taxom |
| Dermestidae Hope, 1840 | Carpet beetles | 2 | Species | Taxom |
| Diadocidiidae Winnertz, 1863 | | 1 | Species | Taxom |
| Dictyopharidae Spinola, 1839 | Dictyopharid Planthoppers | 1 | Species | Taxom |
| Diplatyidae (Verhoeff, 1902) | | 1 | Species | Taxom |
| Dipseudopsidae Ulmer, 1904 | | 3 | Species | Taxom |
| Dipteromantispidae Makarkin & al., 2013 | | 3 | Species | Taxom |
| Dolichopodidae Latreille, 1809 | Long legged flies | 8 | Species | Taxom |
| Dryinidae Haliday, 1840 | Dryinid wasps | 14 | Species | Taxom |
| Dysagrionidae Cockerell, 1908 | | 1 | Species | Taxom |
| Dytiscidae Leach, 1815 | Diving beetles | 1 | Species | Taxom |
| Ebboidae Perrichot, N..., 2006 | | 1 | Species | Taxom |
| Ectobiidae (Brunner von ..., 1865) | Wood cockroaches | 1 | Species | Taxom |
| Elateridae Leach, 1815 | Click Beetle | 2 | Species | Taxom |
| Elcanidae Handlirsch, 1906 | | 2 | Species | Taxom |
| Electralbertidae Botosaneanu ..., 1983 | | 1 | Species | Taxom |
| Electrococcidae Koteja, 2000 | | 3 | Species | Taxom |
| Elektraphididae Steffan, 1968 | | 3 | Species | Taxom |
| Elipsocidae Pearman, 1936 | Damp Barklice | 1 | Species | Taxom |
| Embolemidae Förster, 1856 | Embolemid wasps | 2 | Species | Taxom |
| Empheriidae Enderlein, 1906 | | 2 | Species | Taxom |
| Empididae Latreille, 1809 | Balloon flies | 15 | Species | Taxom |
| Eneopteridae (Saussure, 1893) | Bush cricket | 1 | Species | Taxom |
| Enicocephalidae Stål, 1860 | Gnat bug | 4 | Species | Taxom |
| Enigmaeshnidae Nel, Neraude..., 2008 | | 1 | Species | Taxom |
| Eremochaetidae Ussatchov, 1968 | | 1 | Species | Taxom |
| Eriococcidae Cockerell, 1899 | Eriococcid scales | 1 | Species | Taxom |
| Eulichadidae Crowson, 1973 | Forest stream beetle | 1 | Species | Taxom |
| Evaniidae Latreille, 1802 | Ensign wasp | 11 | Species | Taxom |
| Falsiformicidae Rasnitsyn, 1975 | | 1 | Species | Taxom |
| Figitidae Thomson, 1862 | Figitid wasps | 8 | Species | Taxom |
| Formicidae Latreille, 1809 | Ants | 104 | Species | Taxom |
| Gallophlebiidae Nel & al., 2015 | | 1 | Species | Taxom |
| Gasteruptiidae Ashmead, 1900 | Carrot Wasps | 1 | Species | Taxom |
| Gelastocoridae Kirkaldy, 1897 | Toad bug | 2 | Species | Taxom |
| Geometridae Leach, 1815 | Cankerworm moths | 0 | Species | Taxom |
| Gerocynipidae Kovalev, 1994 | | 5 | Species | Taxom |
| Gomphaeschnidae Tillyard & F..., 1940 | | 1 | Species | Taxom |
| Gomphidae Rambur, 1842 | Club-tailed dragonflies | 1 | Species | Taxom |
| Grassyaphididae Heie, 2000 | | 1 | Species | Taxom |
| Grimaldiellidae Koteja, 2000 | | 2 | Species | Taxom |
| Gyrinidae Latreille, 1802 | Whirligig beetle | 3 | Species | Taxom |
| Halictidae Thomson, 1869 | Flower bees | 1 | Species | Taxom |
| Haliplidae Aubé, 1836 | Crawling Water Beetle | 0 | Species | Taxom |
| Hemiphlebiidae Fraser, 1960 | Ancient greenling | 1 | Species | Taxom |
| Heptageniidae Needham, 1901 | Flat-Bodied Up-Wings Heptageniidae | 1 | Species | Taxom |
| Hilarimorphidae Hendel, 1936 | Hilarimorphid flies | 5 | Species | Taxom |
| Histeridae Gyllenhal, 1808 | Clown beetle | 4 | Species | Taxom |
| Hybosoridae Erichson, 1847 | Pill scarab beetles | 2 | Species | Taxom |
| Hydraenidae Mulsant, 1844 | Cascade Beetles | 1 | Species | Taxom |
| Hydrobiosidae Ulmer, 1905 | | 1 | Species | Taxom |
| Hydrometridae Billberg, 1820 | Marsh treader | 3 | Species | Taxom |
| Hydrophilidae Latreille, 1802 | Silver Water Beetles | 2 | Species | Taxom |
| Hydroptilidae Stephens, 1836 | Micro caddisflies | 8 | Species | Taxom |
| Ichneumonidae Latreille, 1802 | Ichneumon flies | 27 | Species | Taxom |
| Inkaidae Koteja, 1989 | | 1 | Species | Taxom |
| Ironomyiidae McAlpine & M..., 1966 | Ironic flies | 6 | Species | Taxom |
| Jantarimantidae Vrsansky, 2002 | | 1 | Species | Taxom |
| Jascopidae Hamilton, 1971 | | 1 | Species | Taxom |
| Jersicoccidae Koteja, 2000 | | 2 | Species | Taxom |
| Jurapriidae Rasnitsyn, 1983 | | 1 | Species | Taxom |
| Kalotermitidae Froggatt, 1897 | Dampwood termites | 2 | Species | Taxom |
| Keroplatidae Rondani, 1856 | Fungus gnats | 2 | Species | Taxom |
| Khatangaphididae Heie, 2000 | | 2 | Species | Taxom |
| Kinzelbachillidae Pohl & Beutel, 2016 | | 1 | Species | Taxom |
| Kozariidae Vea & Grimaldi, 2015 | | 2 | Species | Taxom |
| Kukaspididae Koteja & Poinar, 2001 | | 1 | Species | Taxom |
| Labiduridae Verhoeff, 1902 | Long-horned earwig | 2 | Species | Taxom |
| Labiococcidae Koteja, 2000 | | 2 | Species | Taxom |
| Labradorocoleidae Ponomarenko, 1969 | | 1 | Species | Taxom |
| Lachesillidae Pearman, 1936 | Fateful Barklice | 1 | Species | Taxom |
| Lampyridae Latreille, 1817 | Fireflies | 1 | Species | Taxom |
| Latridiidae Erichson, 1842 | Minute brown scavenger beetle | 1 | Species | Taxom |
| Leiodidae Fleming, 1821 | Round fungus beetles | 1 | Species | Taxom |
| Lepiceridae Hinton, 1936 | | 1 | Species | Taxom |
| Lepismatidae Latreille, 1802 | Lepismatid Fishmoths | 4 | Species | Taxom |
| Leptoceridae Leach, 1815 | Long Horned caddisflies | 1 | Species | Taxom |
| Leptophlebiidae Banks, 1900 | Leptophlebiids | 3 | Species | Taxom |
| Leptopodidae Amyot and Se..., 1843 | Spiny shore bugs | 3 | Species | Taxom |
| Liadopsyllidae Martynov, 1927 | | 1 | Species | Taxom |
| Libellulidae Rambur, 1842 | Chasers | 1 | Species | Taxom |
| Limnephilidae Kolenati, 1848 | Northern caddisflies | 27 | Species | Taxom |
| Limoniidae (Speiser, 1909) | Craneflies | 5 | Species | Taxom |
| Liopteridae Ashmead, 1895 | Liopterid wasps | 2 | Species | Taxom |
| Liposcelididae Enderlein, 1911 | Booklice | 1 | Species | Taxom |
| Liupanshaniidae Bechly & al, 2001 | | 3 | Species | Taxom |
| Locustopsidae Handlirsch, 1906 | | 1 | Species | Taxom |
| Lophioneuridae Tillyard, 1921 | | 3 | Species | Taxom |
| Lucanidae Latreille, 1804 | Stag Beetle | 1 | Species | Taxom |
| Lycaenidae Leach, 1815 | Blue butterflies | 1 | Species | Taxom |
| Lygistorrhinidae Hendel, 1936 | Long beaked fungus gnat | 8 | Species | Taxom |
| Lyonetiidae Stainton, 1854 | Lyonet Moths | 1 | Species | Taxom |
| Maimetshidae (Rasnitsyn, 1975) | | 9 | Species | Taxom |
| Manicapsocidae (Mockford, 1967) | | 2 | Species | Taxom |
| Manipulatoridae Vrsansky & B..., 2015 | | 1 | Species | Taxom |
| Mantidae Burmeister, 1838 | Mantids | 1 | Species | Taxom |
| Mantispidae Leach, 1815 | Mantid lacewings | 2 | Species | Taxom |
| Mantoblattidae Gorochov, 2006 | | 1 | Species | Taxom |
| Mastotermitidae Desneux, 1904 | | 1 | Species | Taxom |
| Matsucoccidae Morrison, 1927 | Pine bark scales | 1 | Species | Taxom |
| Megalyridae Schletterer, 1889 | Megalyrid wasps | 3 | Species | Taxom |
| Meganeuridae Handlirsch, 1906 | | 1 | Species | Taxom |
| Megaspilidae Ashmead, 1893 | Megaspilid wasps | 4 | Species | Taxom |
| Meinertellidae Verhoeff, 1910 | Hump-backed Bristletails | 0 | Species | Taxom |
| Melandryidae Leach, 1815 | False Darkling Beetle | 3 | Species | Taxom |
| Melittosphecidae Poinar & Dan..., 2006 | | 1 | Species | Taxom |
| Meloidae Gyllenhal, 1810 | Blister Beetle | 1 | Species | Taxom |
| Membracidae Germar, 1821 | Horned Treehoppers | 0 | Species | Taxom |
| Meropeidae Espen-Petersen, 1921 | Earwig-flies | 2 | Species | Taxom |
| Mesoblattinidae Handlirsch, 1906 | | 2 | Species | Taxom |
| Mesochrysopidae Handlirsch, 1906 | | 1 | Species | Taxom |
| Mesopsocidae Enderlein, 1903 | Middle Barklice | 1 | Species | Taxom |
| Mesoraphidiidae Martynov, 1925 | | 8 | Species | Taxom |
| Mesotrephidae Popov, 1971 | | 1 | Species | Taxom |
| Mesozoicaphididae Heie, 1992 | | 6 | Species | Taxom |
| Microphysidae Dohrn, 1859 | Microphysid bugs | 1 | Species | Taxom |
| Micropterigidae Herrich-Schä..., 1855 | Mandibulate Archaic Moths | 1 | Species | Taxom |
| Miridae Hahn, 1831 | Capsid bugs | 5 | Species | Taxom |
| Mogoplistidae Saussure, 1877 | Scaly cricket | 1 | Species | Taxom |
| Monotomidae Laporte, 1840 | Minute Clubbed Beetles | 1 | Species | Taxom |
| Mutillidae André, 1907 | Cow ant | 1 | Species | Taxom |
| Mycetophilidae Newman, 1834 | Fungus Gnat | 33 | Species | Taxom |
| Mylacridae Scudder, 1886 | | 1 | Species | Taxom |
| Mymaridae Haliday, 1833 | Fairflies | 7 | Species | Taxom |
| Mymarommatidae Debauche, 1948 | False fairy wasp | 9 | Species | Taxom |
| Myrmeleontidae Latreille, 1802 | Ant lions | 1 | Species | Taxom |
| Mythicomyiidae Melander, 1902 | Micro Bee Flies | 2 | Species | Taxom |
| Nemonychidae Bedel, 1882 | Nemonychid weevils | 6 | Species | Taxom |
| Nemopteridae Rambur, 1842 | Spoonwings | 1 | Species | Taxom |
| Nepticulidae Stainton, 1854 | Leaf miners | 6 | Species | Taxom |
| Nitidulidae Latreille, 1802 | Nitidules | 1 | Species | Taxom |
| Noctuidae Latreille, 1809 | Armyworms | 3 | Species | Taxom |
| Notoligotomidae Davis, 1940 | | 1 | Species | Taxom |
| Notonectidae Latreille, 1802 | Back Swimmers | 1 | Species | Taxom |
| Nymphalidae Rafinesque, 1815 | Admirals | 2 | Species | Taxom |
| Nymphidae Rambur, 1842 | Split-footed lacewing | 2 | Species | Taxom |
| Odontoceridae Wallengren, 1891 | Mortarjoint Casemaker Caddisflies | 1 | Species | Taxom |
| Oligotomidae Enderlein, 1909 | | 1 | Species | Taxom |
| Ommatidae Sharp & Muir, 1912 | | 7 | Species | Taxom |
| Ortheziidae Green, 1896 | Ensign coccids | 3 | Species | Taxom |
| Orussidae Newman, 1834 | Orussid wasps | 2 | Species | Taxom |
| Osmylidae Leach, 1815 | Giant lacewings | 2 | Species | Taxom |
| Othniodellithidae Engel & Huang, 2016 | | 1 | Species | Taxom |
| Pachylembiidae Ross, 2001 | | 1 | Species | Taxom |
| Pachytroctidae Enderlein, 1911 | Thick Barklice | 2 | Species | Taxom |
| Palaeoaphididae Richards, 1966 | | 4 | Species | Taxom |
| Palaeoleontidae Martins-Neto, 1992 | Ant lion | 4 | Species | Taxom |
| Parakseneuridae Yang & al., 2012 | | 1 | Species | Taxom |
| Parvaverrucosidae Poinar & Brown, 2006 | | 1 | Species | Taxom |
| Passalopalpidae Boucher & Bai, 2016 | | 1 | Species | Taxom |
| Pelecinidae Haliday, 1839 | Ancestral And Modern Pelecinid Wasps | 6 | Species | Taxom |
| Perforissidae Shcherbakov, 2007 | | 5 | Species | Taxom |
| Perilestidae Tillyard & F..., 1938 | Shortwings | 1 | Species | Taxom |
| Permelcanidae Sharov, 1962 | | 2 | Species | Taxom |
| Permochoristidae Tillyard, 1918 | | 1 | Species | Taxom |
| Phasmatidae Roberts, 1944 | Walking sticks | 1 | Species | Taxom |
| Phasmomimidae Sharov, 1968 | | 5 | Species | Taxom |
| Philopotamidae Stephens, 1829 | Finger Net caddisflies | 7 | Species | Taxom |
| Phoridae Curtis, 1833 | Coffin Flies | 15 | Species | Taxom |
| Phryganeidae (Leach, 1815) | Giant casemaker | 3 | Species | Taxom |
| Phthanoxenidae Engel & Huang, 2016 | | 1 | Species | Taxom |
| Phylloxeridae Herrich-Scha..., 1854 | Phylloxeran Aphids | 1 | Species | Taxom |
| Pieridae Duponchel, 1835 | Brimstones | 1 | Species | Taxom |
| Piesmatidae Amyot & Audi..., 1843 | Ash grey leaf bug | 1 | Species | Taxom |
| Platycnemididae Tillyard, 1917 | White-legged damselflies | 2 | Species | Taxom |
| Platygastridae Haliday, 1833 | Platygastrid wasps | 1 | Species | Taxom |
| Platypezidae Fallen, 1815 | Flat footed flies | 3 | Species | Taxom |
| Platystictidae Laidlaw, 1924 | Forest Damselflies | 2 | Species | Taxom |
| Pleocomidae LeConte, 1861 | Rain beetle | 1 | Species | Taxom |
| Plumalexiidae Brothers, 2011 | | 1 | Species | Taxom |
| Polycentropodidae Ulmer, 1903 | Tube Maker Caddisflies | 2 | Species | Taxom |
| Polymitarcyidae Banks, 1900 | Pale Burrower Mayflies | 3 | Species | Taxom |
| Pompilidae Latreille, 1805 | Pompilid wasps | 1 | Species | Taxom |
| Ponopterixidae Nel & al., 2014 | | 2 | Species | Taxom |
| Praeaulacidae Rasnitsyn, 1972 | | 1 | Species | Taxom |
| Prohemerobiidae Handlirsch, 1906 | | 1 | Species | Taxom |
| Prophalangopsidae Saussure, 1878 | Grigs | 1 | Species | Taxom |
| Prosopistomatidae Lameere, 1917 | | 1 | Species | Taxom |
| Prostomidae C. G. Thomson, 1859 | Jugular-horned beetle | 1 | Species | Taxom |
| Protereismatidae Lameere, 1917 | | 2 | Species | Taxom |
| Protopleciidae Rohdendorf, 1946 | | 1 | Species | Taxom |
| Protopsyllidiidae Becker-Migdi..., 1960 | | 2 | Species | Taxom |
| Pseudococcidae Heymons, 1915 | Mealy Bugs | 1 | Species | Taxom |
| Pseudopolycentropodidae Handlirsch, 1925 | | 2 | Species | Taxom |
| Psychodidae Newman, 1834 | Drain flies | 23 | Species | Taxom |
| Psychomyiidae Walker, 1852 | Net Tube Caddisflies | 1 | Species | Taxom |
| Psychopsidae Handlirsch, 1906 | Silky lacewing | 5 | Species | Taxom |
| Psyllipsocidae Enderlein, 1903 | Cave Barklice | 1 | Species | Taxom |
| Pteromalidae Dalman, 1820 | Pteromalid wasps | 1 | Species | Taxom |
| Ptilodactylidae Laporte, 1836 | Ptilodactylid beetles | 1 | Species | Taxom |
| Ptinidae Latreille, 1802 | Death-watch and Spider Beetles | 1 | Species | Taxom |
| Ptychopteridae Osten Sacken, 1862 | Phantom crane flies | 2 | Species | Taxom |
| Pygidicranidae (Verhoeff, 1902) | | 3 | Species | Taxom |
| Pyralidae Latreille, 1802 | Flour Moths | 1 | Species | Taxom |
| Raphidiomimidae Vishniakova, 1973 | | 1 | Species | Taxom |
| Retinaphididae Heie, 2000 | | 2 | Species | Taxom |
| Rhachiberothidae Tjeder, 1959 | Thorny lacewing | 8 | Species | Taxom |
| Rhagionidae Latreille, 1802 | Snipe flies | 2 | Species | Taxom |
| Rhinotermitidae Froggatt, 1897 | Subterranean termites | 1 | Species | Taxom |
| Rhipiphoridae Gemminger & ..., 1870 | Hump back beetles | 2 | Species | Taxom |
| Rhopalosomatidae Ashmead, 1896 | Rhopalosomatid wasps | 1 | Species | Taxom |
| Rhynchitidae Gistel, 1848 | Leaf-rolling weevils | 1 | Species | Taxom |
| Ripiphoridae Gemminger & ..., 1870 | Rhipiphoridae | 2 | Species | Taxom |
| Sapygidae Latreille, 1810 | Club-horned wasps | 1 | Species | Taxom |
| Scarabaeidae Latreille, 1802 | Dung beetles | 6 | Species | Taxom |
| Scatopsidae Newman, 1834 | Dung midges | 1 | Species | Taxom |
| Scelionidae Haliday, 1839 | Scelionid wasps | 4 | Species | Taxom |
| Scenopinidae Burmeister, 1835 | Window Flies | 1 | Species | Taxom |
| Schizopteridae Reuter, 1891 | Jumping ground bugs | 4 | Species | Taxom |
| Sciadoceridae (Schmitz, 1929) | | 1 | Species | Taxom |
| Scirtidae Fleming, 1821 | Marsh Beetle | 1 | Species | Taxom |
| Sclerogibbidae Ashmead, 1902 | Sclerogibbid wasp | 1 | Species | Taxom |
| Scolebythidae Evans, 1963 | Scolebythid wasps | 5 | Species | Taxom |
| Scoliidae Leach, 1815 | Mammoth wasps | 2 | Species | Taxom |
| Scydmaenidae (Leach, 1815) | Ant-like stone beetles | 4 | Species | Taxom |
| Sepulcidae Rasnitsyn, 1968 | | 3 | Species | Taxom |
| Serphitidae Brues, 1937 | | 14 | Species | Taxom |
| Shaposhnikoviidae Kononova, 1976 | | 1 | Species | Taxom |
| Sialidae Leach, 1815 | Alderflies | 2 | Species | Taxom |
| Sierolomorphidae Krombein, 1951 | Sierolomorphid wasp | 1 | Species | Taxom |
| Silphidae Latreille, 1807 | Burying And Carrion Beetles | 1 | Species | Taxom |
| Silvanidae Kirby, 1837 | Flat bark beetles | 1 | Species | Taxom |
| Simuliidae Newman, 1834 | Black flies | 1 | Species | Taxom |
| Siricidae Billberg, 1820 | Horntail | 1 | Species | Taxom |
| Sisyridae Handlirsch, 1908 | Spongeflies | 3 | Species | Taxom |
| Smicripidae Horn, 1879 | Palmetto beetle | 1 | Species | Taxom |
| Spathiopterygidae Engel & Orte..., 2013 | | 2 | Species | Taxom |
| Sphaeriusidae Erichson, 1845 | Minute Bog Beetles | 1 | Species | Taxom |
| Sphaeropsocidae Kolbe, 1883 | | 1 | Species | Taxom |
| Sphecidae Latreille, 1802 | Digger & Sand wasps | 6 | Species | Taxom |
| Staphylinidae Lameere, 1900 | Rove beetles | 58 | Species | Taxom |
| Steingeliidae Morrison, 1927 | | 1 | Species | Taxom |
| Stenophlebiidae Needham, 1903 | | 1 | Species | Taxom |
| Stephanidae Leach, 1815 | Crown wasp | 3 | Species | Taxom |
| Stigmaphronidae Kozlov, 1975 | Stigmaphronid wasps | 14 | Species | Taxom |
| Stolamissidae Liu & Engel, 2007 | | 1 | Species | Taxom |
| Stratiomyidae Latreille, 1802 | Soldier flies | 2 | Species | Taxom |
| Susumaniidae Gorochov, 1988 | | 1 | Species | Taxom |
| Syspastoxyelidae Engel & Huang, 2016 | | 1 | Species | Taxom |
| Tabanidae Latreille, 1802 | Breeze flies | 1 | Species | Taxom |
| Taimyrocoridae Popov, 2016 | | 1 | Species | Taxom |
| Tajmyraphididae Kononova, 1975 | | 3 | Species | Taxom |
| Tanyderidae Alexander, 1919 | Primitive crane flies | 1 | Species | Taxom |
| Taymyrelectronidae Botosaneanu ..., 1983 | | 1 | Species | Taxom |
| Tenebrionidae Latreille, 1802 | Darkling Beetle | 2 | Species | Taxom |
| Tetracampidae Förster, 1856 | Tetracampid wasps | 6 | Species | Taxom |
| Tetratomidae Billberg, 1820 | Polypore fungus beetle | 3 | Species | Taxom |
| Therevidae Newman, 1834 | Stiletto flies | 1 | Species | Taxom |
| Tineidae Latreille, 1810 | & Allies | 1 | Species | Taxom |
| Tingidae Laporte, 1832 | Lace bug | 7 | Species | Taxom |
| Tiphiidae Leach, 1815 | Flower wasps | 1 | Species | Taxom |
| Tipulidae Latreille, 1802 | Crane Flies | 16 | Species | Taxom |
| Trichogrammatidae Haliday, 1851 | Trichogrammatid wasps | 1 | Species | Taxom |
| Tridactylidae Saussure, 1874 | Pygmy mole cricket | 2 | Species | Taxom |
| Trigonalidae (Cresson, 1887) | Trigonalid sawflies | 1 | Species | Taxom |
| Trogiidae Enderlein, 1903 | Granary Booklice | 1 | Species | Taxom |
| Trogossitidae Latreille, 1802 | Bark gnawing beetle | 1 | Species | Taxom |
| Tryonicidae McKittrick &..., 1965 | | 1 | Species | Taxom |
| Ulyanidae (Zherikhin, 1993) | | 1 | Species | Taxom |
| Umenocoleidae Chen & Tian, 1973 | | 1 | Species | Taxom |
| Valeseguyidae Amorim & Gri..., 2006 | | 1 | Species | Taxom |
| Vespidae Leach, 1815 | And Allies | 5 | Species | Taxom |
| Vitimotauliidae Sukatsheva, 1968 | | 1 | Species | Taxom |
| Weitschatidae Koteja, 2008 | | 1 | Species | Taxom |
| Xyelidae Newman, 1835 | Sawfly | 1 | Species | Taxom |
| Zhangsolvidae Nagatomi & Yang, 1998 | | 1 | Species | Taxom |
| Zorotypidae Silvestri, 1913 | Angel insects | 4 | Species | Taxom |
