Family Atelecyclidae
This family regroups the Round crabs and their relatives.

Family Xanthidae
This family regroups the Stone crabs, Egg crabs and their relatives.

Atergatis integerrimus – Red egg crab
Atergatis subdentatus – Red reef crab
Lophozozymus pictor – White-spotted reef crab

Family Calappidae
This family regroups the Shame-faced crabs, also known as box crabs.

Calappa calappa – Giant box crab
Calappa granulata – Shame-faced crab
Calappa lophos – Red-streaked box crab

Family Aethridae
This family regroups the Dolly Varden crabs and related species.

Hepatus epheliticus – Dolly Varden crab

Family Menippidae
This family regroups the Tasmanian giant crab and its relatives.

Pseudocarcinus gigas – Tasmanian giant crab

Family Cancridae
This family regroups the Edible crab species and their relatives.

Family Portunidae
This family regroups all Shore crabs and their relatives.

Family Eriphiidae
This family regroups the Warty crabs and their relatives.

Family Dromiidae
This family regroups the Teddy-bear crabs and their relatives.

Family Raninidae
This family regroups the Frog crabs and their relatives.

Family Goneplacidae
This family regroups all Angular crab species.

Family Porcellanidae
This family regroups all Porcelain crabs.

Family Grapsidae
This family regroups the Rock crabs and their relatives.

Family Gecarcinidae
This family regroups the Terrestrial crab species.

Cardisoma armatum – African rainbow crab
Tuerkayana hirtipes – Blue land crab

Family Sesarmidae
This family regroups all Vinegar crabs and related species.

Episesarma versicolor – Violet vinegar crab
Neosarmatium tangi – Fujian mangrove crab
Perisesarma eumolpe – Neon-face mangrove crab

Family Ocypodidae
This family regroups the Fiddler crabs and their relatives.

Gelasimus vocans – Calling fiddler crab
Tubuca acuta – Acute fiddler crab
Tubuca arcuata – Bowed fiddler crab