The Beetles (Coleoptera) - Order
300,000 - 400,000 species
The (Adephaga) - suborder

(Amphizoidae)
- family

(Aspidytidae)
- family

(Carabidae)
- family

(Colymbothetidae)
- family -exrinct-

(Coptoclavidae)
- family -exrinct-

(Dytiscidae)
- family

(Gyrinidae)
- family

(Haliplidae)
- family

(Hygrobiidae)
- family

(Liadytidae)
- family -exrinct-

(Meruidae)
- family

(Noteridae)
- family

(Parahygrobiidae)
- family -exrinct-

(Rhysodidae)
- family

(Trachypachidae)
- family

(Triaplidae)
- family -exrinct-
The (Archostemata) - suborder

(Crowsoniellidae)
- family

(Cupedidae)
- family

(Jurodidae)
- family

(Micromalthidae)
- family

(Ommatidae)
- family
The (Myxophaga) - suborder

(Hydroscaphidae)
- family

(Lepiceridae)
- family

(Sphaeriusidae)
- family

(Torridincolidae)
- family

(Rhombocoleidae)
- family
The (Polyphaga) - suborder

(Carabidae)
- family

(Cerambycidae)
- family

(Chrysomelidae)
- family

(Curculionidae)
- family

(Staphylinidae)
- family
The (Cucujiformia) - superfamily

(Apioninae)
- family

(Brentidae)
- family

(Eurhynchinae)
- family

(Ithycerinae)
- family

(Microcerinae)
- family

(Nanophyinae)
- family
The (Chrysomeloidea) - superfamily
The Long-Horned Beetles
(Cerambycidae)
- family
The Leaf Beetles
(Chrysomelidae)
- family

(Disteniidae)
- family

(Megalopodidae)
- family

(Orsodacnidae)
- family

(Oxypeltidae)
- family

(Vesperidae)
- family
The (Elateroidea) - superfamily

(Cantharidae)
- family
The Net-Winged Beetles
(Lycidae)
- family
The Scarab Beetles (Scarabaeiformia) - infraorder
The (Scarabaeoidea) - superfamily

(Belohinidae)
- family

(Bolboceratidae)
- family

(Ceratocanthidae)
- family
The False Stag Beetles
(Diphyllostomatidae)
- family
The Earth-Boring Dung Beetles
(Geotrupidae)
- family
The Bumble Bee Scarab Beetles
(Glaphyridae)
- family
The Enigmatic Scarab Beetles
(Glaresidae)
- family
The Scavenging Scarab Beetles
(Hybosoridae)
- family
The Stag Beetles
(Lucanidae)
- family
The Sand-Loving scarab Beetles
(Ochodaeidae)
- family
The Bess Beetles
(Passalidae)
- family
The Rain Beetles
(Pleocomidae)
- family
The Scarab Beetles
(Scarabaeidae)
- family
The Hide Beetles
(Trogidae)
- family

(Anobiidae)
- family

(Bastrichidae)
- family

(Bruchidae)
- family

(Buprestidae)
- family

(Cantharidae)
- family

(Cerambycidae)
- family

(Chrysomelidae)
- family

(Cleridae)
- family
The Ladybird Beetles
(Coccinellidae)
- family

(Curculionidae)
- family

(Dermestidae)
- family

(Elateridae)
- family

(Erotylidae)
- family

(Lampyridae)
- family

(Lyctidae)
- family

(Meloidae)
- family

(Scolyridae)
- family

(Tenebrionidae)
- family
The (Bostrichiformia) - infraorder
The (Bostrichoidea) - superfamily
The Deathwatch Beetles
(Anobiidae)
- family
The Horned Powderpost Beetles
(Bostrichidae)
- family
The Skin Beetles
(Dermestidae)
- family

(Jacobsoniidae)
- family
The Wounded-Tree Beetles
(Nosodendridae)
- family
The (Derodontoidea) - superfamily

(Derodontidae)
- family
The (Cucujiformia) - infraorder
The (Chrysomeloidea) - superfamily

(Cerambycidae)
- family

(Chrysomelidae)
- family

(Disteniidae)
- family

(Megalopodidae)
- family

(Orsodacnidae)
- family

(Oxypeltidae)
- family

(Vesperidae)
- family
The (Cleroidea) - superfamily

(Acanthocnemidae)
- family

(Boleopsidae)
- family -extinct-

(Chaetosomatidae)
- family
The Checkered Beetles
(Cleridae)
- family
The Soft-Winged Flower Beetles
(Melyridae)
- family

(Phloiophilidae)
- family

(Phycosecidae)
- family

(Prionoceridae)
- family
The Bark-Gnawing Beetles
(Trogossitidae)
- family
The (Cucujoidea) - superfamily
The
(Alexiidae)
- family
The False Skin Beetles
(Biphyllidae)
- family
The
(Boganiidae)
- family
The Dry Bark Beetles
(Bothrideridae)
- family
The fruitworm beetles
(Byturidae)
- family
The
(Cavognathidae)
- family
The minute bark beetles
(Cerylonidae)
- family
The Lady Beetles
(Coccinellidae)
- family
The Minute Fungus Beetles
(Corylophidae)
- family
The Silken Fungus Beetles
(Cryptophagidae)
- family
The Flat Bark Beetles
(Cucujidae)
- family
The
(Cyclaxyridae)
- family
The
(Discolomatidae)
- family
The Handsome Fungus Beetles
(Endomychidae)
- family
The Pleasing Fungus Beetles
(Erotylidae)
- family
The
(Helotidae)
- family
The
(Hobartiidae)
- family
The Short-Winged Flower Beetles
(Kateretidae)
- family
The Lined Flat Bark Beetles
(Laemophloeidae)
- family
The
(Lamingtoniidae)
- family
The Minute Brown Scavenger Beetles
(Latridiidae)
- family
The Root-Eating Beetles
(Monotomidae)
- family
The
(Myraboliidae)
- family
The Sap Beetles
(Nitidulidae)
- family
The Parasitic Flat Bark Beetles
(Passandridae)
- family
The Shining FlowerBeetles
(Phalacridae)
- family
The
(Phloeostichidae)
- family
The
(Propalticidae)
- family
The
(Protocucujidae)
- family
The Silvanid Flat Bark Beetles
(Silvanidae)
- family
The Palmetto Beetles
(Smicripidae)
- family
The Dry-Fungus Beetles
(Sphindidae)
- family
The (Curculionoidea) - superfamily

(Anthribidae)
- family

(Attelabidae)
- family

(Belidae)
- family

(Brentidae)
- family

(Caridae)
- family

(Curculionidae)
- family

(Nemonychidae)
- family
The (Lymexyloidea) - superfamily

()
- family

()
- family

()
- family

()
- family
The (Tenebrionoidea) - superfamily
The Ant-Like Leaf Beetles
(Aderidae)
- family
The Ant-Like Flower Beetles
(Anthicidae)
- family
The
(Archeocrypticidae)
- family
The
(Boridae)
- family
The
(Chalcodryidae)
- family
The Minute Tree-Fungus Beetles
(Ciidae)
- family
The False Darkling Beetles
(Melandryidae)
- family
The Blister Beetles
(Meloidae)
- family
The Tumbling Flower Beetles
(Mordellidae)
- family
The Hairy Fungus Beetles
(Mycetophagidae)
- family
The
(Mycteridae)
- family
The False Blister Beetles
(Oedemeridae)
- family
The
(Perimylopidae)
- family
The
(Prostomidae)
- family
The
(Pterogeniidae)
- family
The Fire-Colored Beetles
(Pyrochroidae)
- family
The
(Pythidae)
- family
The Wedge-Sshaped Beetles
(Ripiphoridae)
- family
The Narrow-Waisted Bark Beetles
(Salpingidae)
- family
The False Flower Beetles
(Scraptiidae)
- family
The False Long-Horned Beetles
(Stenotrachelidae)
- family
The
(Synchroidae)
- family
The Darkling Beetles
(Tenebrionidae)
- family
The
(Tetratomidae)
- family
The
(Trachelostenidae)
- family
The
(Trictenotomidae)
- family
The
(Ulodidae)
- family
The Ironclad Beetles, Cylindrical Bark Beetles
(Zopheridae)
- family
The (Elateriformia) - infraorder
The Metallic Wood-Boring Beetles (Buprestoidea) - superfamily

(Buprestidae)
- family

(Schizopodidae)
- family
The Long-Toed Water Beetles, Moss Beetles & Mud-Loving Beetles (Byrrhoidea) - superfamily
The Pill Beetles
(Byrrhidae)
- family
The Cedar Beetles
(Callirhipidae)
- family
The Turtle Beetles
(Chelonariidae)
- family

(Cneoglossidae)
- family
The Long-Toed Water Beetles
(Dryopidae)
- family
The Riffle Beetles
(Elmidae)
- family
The Forest Stream Beetles
(Eulichadidae)
- family
The Variegated Mud Loving Beetles
(Heteroceridae)
- family
The Minute Mud Beetles
(Limnichidae)
- family
The Travertine Beetles
(Lutrochidae)
- family
The Water Pennies
(Psephenidae)
- family

(Ptilodactylidae)
- family

()
- family
The (Dascilloidea) - superfamily

(Dascillidae)
- family

(Rhipiceridae)
- family
The Click Beetles & Soldier Beetles (Elateroidea) - superfamily
The Soft-Bodied Plant Beetles
(Artematopodidae)
- family
The Texas Beetles
(Brachypsectridae)
- family
The Soldier Beetles
(Cantharidae)
- family
The Rare Click Beetles
(Cerophytidae)
- family
The
(Drilidae)
- family
The Click Beetles
(Elateridae)
- family
The False Click Beetles
(Eucnemidae)
- family
The Firefly Beetles
(Lampyridae)
- family
The Net-Winged Beetles
(Lycidae)
- family
The
(Omalisidae)
- family
The False Firefly Beetles
(Omethidae)
- family
The Glowworm Beetles
(Phengodidae)
- family
The
(Plastoceridae)
- family
The
(Podabrocephalidae)
- family
The
(Rhagophthalmidae)
- family
The
(Rhinorhipidae)
- family
The False Metallic Wood-Boring Beetles
(Throscidae)
- family
The (Scirtoidea) - superfamily

(Clambidae)
- family

(Decliniidae)
- family

(Eucinetidae)
- family

(Scirtidae)
- family
The (Staphyliniformia) - infraorder

(Staphylinidae)
- family