Classification
- Suborder Ensifera
- Superfamily Grylloidea
- Gryllidae - true crickets
- Gryllotalpidae - mole crickets
- Mogoplistidae
- Myrmecophilidae - ant crickets
- Superfamily Hagloidea
- Haglidae†
- Hagloedischiidae†
- Prophalangopsidae
- Tuphellidae†
- Superfamily Phasmomimoidea†
- Phasmomimidae†
- Superfamily Rhaphidophoroidea
- Rhaphidophoridae — camel crickets, cave crickets, cave wetas
- Superfamily Schizodactyloidea
- Schizodactylidae — dune crickets
- Superfamily Stenopelmatoidea
- Anostostomatidae — wetas, king crickets
- Cooloolidae
- Gryllacrididae — leaf-rolling crickets
- Stenopelmatidae — Jerusalem crickets
- Superfamily Tettigonioidea
- Haglotettigoniidae†
- Tettigoniidae — katydids / bush crickets
- Superfamily Grylloidea
- Suborder Caelifera — grasshoppers, locusts
- Infraorder Acrididea
- Superfamily Acridoidea
- Acrididae — grasshoppers, locusts
- Charilaidae
- Dericorythidae
- Lathiceridae
- Lentulidae
- Lithidiidae
- Ommexechidae
- Pamphagidae — toad grasshoppers
- Pyrgacrididae
- Romaleidae
- Tristiridae
- Superfamily Eumastacoidea
- Chorotypidae
- Episactidae
- Eumastacidae
- Euschmidtiidae
- Mastacideidae
- Morabidae
- Promastacidae†
- Proscopiidae
- Thericleidae
- Superfamily Locustopsoidea†
- Araripelocustidae†
- Bouretidae†
- Eolocustopsidae†
- Locustavidae†
- Locustopsidae†
- Superfamily Pneumoroidea
- Pneumoridae — bladder grasshoppers
- Superfamily Pyrgomorphoidea
- Pyrgomorphidae — gaudy grasshoppers
- Superfamily Tanaoceroidea
- Tanaoceridae
- Superfamily Tetrigoidea
- Tetrigidae — grouse locusts
- Superfamily Trigonopterygoidea
- Trigonopterygidae
- Xyronotidae
- Superfamily Acridoidea
- Infraorder Tridactylidea
- Superfamily Dzhajloutshelloidea†
- Dzhajloutshellidae†
- Superfamily Regiatoidea†
- Regiatidae†
- Superfamily Tridactyloidea
- Cylindrachetidae
- Ripipterygidae
- Tridactylidae — pygmy mole crickets
- Superfamily Dzhajloutshelloidea†
- Infraorder Acrididea
Read more about this topic: Orthoptera