| Family | Common Name | Selected Genus and Species | Image |
| Curculionidae | Snout beetles | Curculio elephas |  |
| Cybocephalidae | Beetles | Cybocephalus nipponicus |  |
| Cyclaxyridae | Beetles | Cyclaxyra politula |  |
| Dascilloidea | Soft-bodied plant beetles | Dascillus cervinus |  |
| Decliniidae | Beetles | Declinia versicolor |  |
| Dermestidae | Skin beetles | Dermestes lardarius |  |
| Derodontidae | Beetles | Laricobius nigrinus |  |
| Diphyllostomatidae | False stag beetles | Diphyllostoma fimbriatum |  |
| Discolomatidae | Beetles | Aphanocephalus punctulatus |  |
| Disteniidae | Beetles | Distenia gracilis |  |
| Drilidae | False firefly beetles | Drilus flavescens |  |
| Dryophthoridae | Beetles | Metamasius anceps |  |
| Dryopidae | Long-toed water beetles | Pelonomus obscurus |  |
| Dynastidae | Scarab beetles | Tomarus rossetae |  |
| Dytiscidae | Diving beetles | Cybister fimbriolatus |  |
| Elateridae | Click beetles | Lacon conspersus |  |
| Elmidae | Riffle beetles | Graphelmis jaechi |  |
| Endecatomidae | Beetles | Endecatomus lanatus |  |
| Endomychidae | Handsome fungus beetles | Endomychus coccineus |  |
| Epimetopidae | Water scavenger beetles | Eumetopus weigeli |  |
| Eremazidae | Scarab beetles | Eremazus unistriatus |  |
| Erotylidae | Pleasing fungus beetles | Triplax russica |  |
| Euchiridae | Scarab beetles | Cheirotonus gestroi |  |
| Eucinetidae | Plate-thigh beetles | Nycteus oviformis |  |
| Eucnemidae | False click beetles | Melasis buprestoides |  |
| Eulichadidae | Forest stream beetles | Stenocolus scutellaris |  |
| Eupsilobiidae | Beetles | Eidoreus politus |  |
| Eurhynchidae | Weevils | Aporhina splendida |  |
| Euxestidae | Well-polished beetles | Euxestus erithacus |  |
| Georissidae | Minute Mud Beetles | Georissus crenulatus |  |
| Geotrupidae | Earth-boring scarab beetles | Anoplotrupes stercorosus |  |
| Glaphyridae | Bumblebee scarab beetles | Glaphyrus oxypterus |  |
| Glaresidae | Enigmatic scarab beetles | Glaresis oxiana |  |
| Gyrinidae | Whirlygig beetles | Dineutus sublineatus |  |
| Haliplidae | Crawling water beetles | Peltodytes dispersus |  |
| Helophoridae | Water scavenger beetles | Helophorus aquaticus |  |
| Helotidae | Beetles | Helota thoracica |  |
| Heteroceridae | Variegated mud-loving beetles | Heterocerus fenestratus |  |
| Histeridae | Clown beetles | Neopachylopus sulcifrons |  |
| Hobartiidae | Beetles | Hobartius chilensis |  |
| Hybosoridae | Scavenger scarab beetles | Hybosorus illigeri |  |
| Hydraenidae | Minute moss beetles | Ochthebius granulatus |  |
| Hydrochidae | Water scavenger beetles | Hydrochus angustatus |  |
| Hydrophilidae | Water scavenger beetles | Anticura flinti |  |
| Hydroscaphidae | Skiff beetles | Hydroscapha natans |  |
| Hygrobiidae | Screech beetles | Hygrobia tarda |  |
| Ithyceridae | New York weevils | Ithycerus noveboracensis |  |
| Jacobsoniidae | Jacobson's beetles | Derolathrus cavernicolus |  |
| Jurodidae | Most mysterious beetles | Sikhotealinia zhiltsovae |  |
| Kateretidae | False pollen beetles | Kateretes pusillus |  |
| Laemophloeidae | Lined flat bark beetles | Laemophloeus germaini |  |
| Lamingtoniidae | Beetles | Lamingtonium loebli |  |
| Lampyridae | Fireflies | Photuris lucicrescens |  |
| Latridiidae | Mould beetles | Latridius minutus |  |
| Leiodidae | Round fungus beetles | Colon clavigerum |  |
| Lepiceridae | Toadlet beetles | Lepicerus bufo |  |
| Limnichidae | Minute marsh-loving beetles | Pelochares versicolor |  |
| Lucanidae | Stag beetles | Sinodendron cylindricum |  |
| Lutrochidae | Travertine beetles | Lutrochus funkae |  |
| Lycidae | Net-winged beetles | Platycis minutus |  |
| Lymexylidae | Ship-timber beetles | Elateroides dermestoides |  |
| Mauroniscidae | Beetles | Mecomycter omalinus |  |
| Megalopodidae | Large-footed leaf beetles | Zeugophora flavicollis |  |
| Melandryidae | False darkling beetles | Ctenoplectron vittatum |  |
| Meloidae | Blister beetles | Hycleus lugens |  |
| Melolonthidae | Scarab beetles | Melolontha melolontha |  |
| Melyridae | Soft-winged flower beetles | Anthocomus rufus |  |
| Meruidae | Comb-clawed cascade beetles | Meru phyllisae |  |
| Metaxinidae | Beetles | Metaxina ornata |  |
| Micromalthidae | Telegraph-pole beetles | Micromalthus debilis |  |
| Monotomidae | Root-eating beetles | Monotoma picipes |  |
| Mordellidae | Tumbling flower beetles | Mordella aculeata |  |
| Murmidiidae | Beetles | Murmidius ovalis |  |
| Mycetaeidae | Beetles | Mycetaea subterranea |  |
| Mycetophagidae | Hairy fungus beetles | Litargus balteatus |  |
| Mycteridae | Palm and flower beetles | Mycterus curculioides |  |
| Myraboliidae | Beetles | Myrabolia championi |  |
| Nemonychidae | Pine flower snout beetles | Doydirhynchus austriacus |  |
| Nitidulidae | Sap beetles | Nitidulida bipunctata |  |
| Nosodendridae | Wounded-tree beetles | Nosodendron fasciculare |  |
| Noteridae | Burrowing water-beetles | Noterus clavicornis |  |
| Ochodaeidae | Sand-loving scarab beetles | Ochodaeus luscinus |  |
| Oedemeridae | False blister beetles | Anogcodes seladonius |  |
| Omalisidae | Beetles | Omalisus fontisbellaquaei |  |
| Omethidae | False soldier beetles | Drilonius striatulus |  |
| Ommatidae | Beetles | Omma stanleyi |  |
| Orphnidae | Scarab beetles | Madecorphnus falcatus |  |
| Orsodacnidae | Beetles | Orsadacne cerasi |  |
| Oxypeltidae | Beetles | Oxypeltus quadrispinosus |  |
| Pachypodidae | Scarab beetles | Pachypus candidae |  |
| Passalidae | Bess beetles | Odontotaenius disjunctus |  |
| Passandridae | Parasitic flat bark beetles | Catogenus rufus |  |
| Perimylopidae | Beetles | Sirrhas variegatus |  |
| Phalacridae | Shining flower beetles | Olibrus norvegicus |  |
| Phengodidae | Glowworms | Phengodes plumosa |  |
| Phloeostichidae | Beetles | Phloeostichus denticollis |  |
| Phloiophilidae | Beetles | Phloiophilus edwardsi |  |
| Phycosecidae | Beetles | Phycosecis litoralis |  |
| Plastoceridae | Click beetles | Plastocerus angulosus |  |
| Pleocomidae | Rain beetles | Pleocoma tularensis |  |
| Podabrocephalidae | Mystery beetles | Podabrocephalus sinuaticollis |  |
| Priasilphidae | Beetles | Priasilpha obscura |  |
| Promecheilidae | Scarab beetles | Promecheilus variegatus |  |
| Propalticidae | Beetles | Propalticus mixtocomatus |  |
| Prostomidae | Jugular-horned beetles | Prostomis mandibularis |  |
| Protocucujidae | Beetles | Ericmodes australis |  |
| Psephenidae | Water-penny beetles | Eubria palustris |  |
| Pterogeniidae | Beetles | Pterogenius nietneri |  |
| Ptiliidae | Featherwing beetles | Cylindrosella dampfi |  |
| Ptilodactylidae | Toe-winged beetles | Ptilodactyla exotica |  |
| Ptinidae | Spider-web beetles | Ptinus fur |  |
| Pyrochroidae | Fire-coloured beetles | Pyrochroa coccnea |  |
| Pythidae | Dead-log bark beetles | Pytho depressus |  |
| Rhagophthalmidae | Beetles | Rhagophthalmus beigansis |  |
| Rhinoripidae | Beetles | Rhinorhipus tamborinensis |  |
| Rhipiceridae | Cedar beetles | Sandalus niger |  |
| Rhysodidae | Wrinkled bark beetles | Leoglymmius lignarius |  |
| Ripiphoridae | Wedge-shaped beetles | Ripiphorus diadasiae |  |
| Rutelidae | Scarab beetles | Chrysina spectabilis |  |
| Salpingidae | Narrow-waisted bark beetles | Vincenzellus ruficollis |  |
| Scarabaeidae | Scarab beetles | Scarabaeus sacer |  |
| Schizopodidae | False jewel beetles | Schizopus sallei |  |
| Scirtidae | Marsh beetles | Cyphon coarctatus |  |
| Scraptiidae | False flower beetles | Scraptia fuscula |  |
| Scydmaenidae | Ant-like stone beetles | Scydmoraphes sparshalli |  |
| Silphidae | Large carrion and burying beetles | Ptomascopus zhangla |  |
| Silvanidae | Flat bark beetles | Ahasverus longulus |  |
| Smicripidae | Palmetto beetles | Smicrips palmicola |  |
| Spercheidae | Filter-feeding water scavenger beetles | Spercheus platycephalus |  |
| Sphaeritidae | False clown beetles | Sphaerites glabratus |  |
| Sphaeriusidae | Minute bog beetles | Sphaerius acaroides |  |
| Sphindidae | Cryptic slime-mould beetles | Carinisphindus purpuricephalus |  |
| Staphylinidae | Rove beetles | Staphylinus caesareus |  |
| Stenotrachelidae | False long-horned beetles | Cephaloon lepturides |  |
| Synchroidae | Bark beetles | Synchroa punctata |  |
| Synteliidae | Clown beetles | Syntelia histeroides |  |
| Tasmosalpingidae | Beetles | Tasmosalpingus quadrispilotus | |
| Telegeusidae | Long-lipped beetles | Telegeusis nubifer |  |
| Tenebrionidae | Darkling beetles | Tenebrio molitor |  |
| Teredidae | Beetles | Oxoplatypus quadridentatus |  |
| Termitotrogidae | Blind scarab beetles | Termitotrox cupido |  |
| Tetratomidae | Polypore fungus beetles | Eustrophopsis bicolor |  |
| Thanerocleridae | False chequered beetles | Thaneroclerus buquet |  |
| Throscidae | False metallic wood-boring beetles | Aulonothroscus brevico;;is |  |
| Torridincolidae | Torrent beetles | Iapir britskii |  |
| Trachelostenidae | Beetles | Trachelostenus inaequalis |  |
| Trachypachidae | False ground beetles | Trachypachus zetterstedi |  |
| Trictenotomida | Beetles | Autocrates vitalisi |  |
| Trogidae | Hide beetles | Trox sabulosus |  |
| Trogossitidae | Bark-gnawing beetles | Airora cylindrica |  |
| Ulodidae | Beetles | Ganyme sapphira |  |
| Vesperidae | Mole beetles | Hypocephalus armatus |  |
| Zopheridae | Iron-clad beetles | Zopherus nodulosus |  |