- Aeglidae
- Aethridae, Crabs
- Agostocarididae
- Albuneidae, Surf mole crabs
- Alpheidae, Tongclaw snapping shrimp
- Alvinocarididae
- Anchistioididae
- Aristeidae, Gamba prawns
- Astacidae, Pond crayfish
- Atelecyclidae
- Atyidae, Basket shrimp
- Axianassidae
- Axiidae, Lobster shrimp
- Barbouriidae
- Bathypalaemonellidae
- Belliidae
- Benthesicymidae, Benthesicymid shrimp
- Bresiliidae
- Bythograeidae
- Calappidae, Gladiator box crab
- Callianassidae, Ghost shrimp
- Callianideidae
- Calocarididae
- Cambaridae, Crayfish
- Camptandriidae
- Campylonotidae
- Cancridae
- Carpiliidae
- Cheiragonidae
- Chirostylidae
- Coenobitidae, Land hermit crabs
- Corystidae
- Crangonidae
- Cryptochiridae
- Ctenochelidae
- Cyclodorippidae
- Cymonomidae
- Dairidae
- Dakoticancridae
- Daldorfiidae
- Deckeniidae
- Desmocarididae
- Diogenidae, Left-handed hermit crabs
- Disciadidae
- Domeciidae
- Dorippidae, Leaf porter crabs
- Dromiidae, Redeye sponge crab
- Dynomenidae
- Enoplometopidae
- Epialtidae
- Eriphiidae
- Eryonidae
- Eugonatonotidae
- Eumedonidae
- Euryrhynchidae
- Galatheacarididae
- Galatheidae, Squat lobsters
| - Gecarcinidae, Blue land crab
- Gecarcinucidae
- Geryonidae
- Glypheidae
- Glyphocrangonidae, Armored shrimp
- Glyptograpsidae
- Gnathophyllidae, Bumblebee shrimps
- Goneplacidae
- Grapsidae, Mangrove tree crab
- Hapalocarcinidae
- Hepatidae
- Hexapodidae
- Hippidae, Atlantic sand crabs
- Hippolytidae
- Homolidae
- Homolodromiidae
- Hymenoceridae
- Hymenosomatidae, Coral spider crabs
- Inachidae
- Inachoididae
- Isolapotamidae
- Kakaducarididae
- Laomediidae
- Latreilliidae
- Lemaitre
- Leucosiidae, Spurfinger purse crabs
- Lithodidae, Stone crabs
- Lomidae
- Lomisidae
- Luciferidae
- Majidae, Velcro crabs
- Matutidae, Moon crabs
- Menippidae, Stone crabs
- Micheleidae
- Mictyridae
- Mimilambridae
- Mirocarididae
- Mithracidae
- Nematocarcinidae
- Nephropidae, American lobster
- Ocypodidae, Fiddler crabs
- Ogyrididae, Longeye shrimp
- Oplophoridae, Deepsea shrimp
- Oregoniidae
- Orithyiidae
- Paguridae, Right-handed hermit crabs
- Palaemonidae, Glass shrimp
- Palicidae, Antillian stilt crab
- Palinuridae, Spiny lobsters
- Pandalidae
- Panopeidae
- Parapaguridae, Deepwater hermit crabs
- Parastacidae, Australian redclaw
- Parathelphusidae
- Parthenopidae
- Pasiphaeidae, Glass shrimp
- Penaeidae, Prawns
| - Phyllotymolinidae
- Physetocarididae
- Pilumnidae, Hairy crabs
- Pinnotheridae
- Pirimelidae
- Pisidae
- Plagusiidae
- Platythelphusidae
- Platyxanthidae
- Polychelidae
- Pomatochelidae
- Porcellanidae, Porcelain crabs
- Portunidae, Swimming crabs
- Potamidae
- Potamocarcinidae
- Potamonautidae
- Poupiniidae
- Procarididae
- Processidae
- Prosopidae
- Psalidopodidae, Scissorfoot shrimp
- Pseudorhombilidae
- Pseudothelphusidae
- Pylochelidae
- Pylojacquesidae
- Raninidae, Longleg frog crabs
- Retroplumidae
- Rhynchocinetidae, Mechanical shrimp
- Scyllaridae, Slippery lobsters
- Sergestidae, Belachan shrimp
- Sesarmidae
- Sicyoniidae, Brown rock shrimp
- Sinopotamidae
- Solenoceridae, Salmon shrimp
- Spongicolidae
- Stenopodidae
- Strahlaxiidae
- Stylodactylidae
- Sundathelphusidae
- Symethidae
- Synaxidae, Furry lobsters
- Thalassinidae, Mud lobster
- Thalassocarididae
- Thaumastochelidae
- Thiidae
- Thomassiniidae
- Trapeziidae
- Trichodactylidae
- Trogloplacidae
- Tychidae
- Tymolidae
- Typhlocarididae
- Upogebiidae, Mud shrimp
- Varunidae
- Xanthidae, Poisonous xanthid crabs
- Xiphocarididae
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