Family Majidae
This family regroups the true Spider-crabs.
Maja crispata – Lesser spider crab
Family Inachidae
This family regroups the Decorator crabs and other related species.
Camposcia retusa – Spider decorator crab
Macrocheira kaempferi – Japanese spider-crab
Stenorhynchus seticornis – Yellowline arrow crab
Family Parthenopidae
This family regroups all Longclaw crabs and their relatives.
Family Oregoniidae
This family regroups some of the Cold-waters spider-crabs.
Chionoecetes japonicus – Beni-Zuwai crab
Family Lithodidae
This family regroups the King crab and related species.
Lopholithodes mandtii – Puget Sound king crab
Paralithodes camtschaticus – Red king crab
Family Epialtidae
This family regroups the Horned spider-crabs.
