
Subphylum: Crustaceans (Arthropoda > Crustacea)
Infraorder: Shrimps (Malacostraca > Caridea)
Family: Snapping shrimps (Alpheidae)
Family: Palaemonidae
Family: Broken-back shrimps (Hippolytidae)
Family: Harlequin shrimps (Hymenoceridae)
Family: Pandalid shrimps (Pandalidae)
Family: Dancing shrimps (Rhynchocinetidae)
Family: Bumblebee shrimps (Gnathophyllidae)
Family: Shell shrimps (Crangonidae)
Infraorder: Cleaner shrimps (Malacostraca > Stenopodidea)
Family: Stenopodidae
Order: Opossum shrimps (Malacostraca > Mysida)
Family: Opossum shrimps (Mysidae)
Infraorder: Clawed lobsters (Malacostraca > Astacidea)
Family: Lobsters (Nephropidae)
Family: Reef lobsters (Enoplometopidae)
Infraorder: Spiny and Slipper lobsters (Malacostraca > Achelata)
Family: Spiny lobsters (Palinuridae)
Family: Slipper lobsters (Scyllaridae)
Infraorder: Hermit, Porcelain crabs and Squat lobsters (Malacostraca > Anomura)
Family: Left-handed hermit crabs (Diogenidae)
Family: Right-handed hermit crabs (Paguridae)
Family: Squat lobsters (Galatheidae)
Family: Porcelain crabs (Porcellanidae)
Family: Coral crabs (Trapeziidae)
Family: King crabs (Lithodidae)
Infraorder: True crabs (Malacostraca > Brachyura)
Family: Edible crabs (Cancridae)
Family: Box crabs (Calappidae)
Family: Inachid spider crabs (Inachidae)
Family: Pilumnidae
Family: Portunidae
Family: Rock crabs (Grapsidae)
Family: Mud crabs (Xanthidae)
Family: Coral guard crabs (Trapeziidae)
Family: Epialtid spider crabs (Epialtidae)
Family: Percnidae
Family: Ghost and Fiddler crabs (Ocypodidae)
Family: Reef crabs (Carpiliidae)
Family: Decorator crabs (Oregoniidae)
Family: Sumo crabs (Dorippidae)
Family: Polybiidae
Family: Elbow crabs (Parthenopidae)
Family: Land crabs (Gecarcinidae)
Order: Mantis shrimps (Malacostraca > Stomatopoda)
Family: Odontodactylidae
Family: Lysiosquillidae
Family: Protosquillidae
Order: Wood lice and Sea slaters (Malacostraca> Isopoda)
Family: Idoteidae
Class: Barnacles (Maxillopoda > Cirripedia)
Family: Stalkless barnacles (Balanidae)
Class: Amphidods (Malacostraca > Amphipoda)
Family: Iphimediidae
Family: Skeleton shrimps (Caprellidae)
Family: Gammarids (Gammaridae)
Order: Krill (Malacostraca > Euphausiacea)
Family: Krill (Euphausiidae)
