genus Macrocheira
Macrocheira
Alaska crab
Alaska king crab
Alaskan king crab
king crab
giant crab
Macrocheira kaempferi
Paralithodes camtschatica
genus Callinectes
Callinectes
spider crab
European spider crab
Maja squinado
genus Uca
Uca
Chilean king crab
cast
grapsoid
Asian horseshoe crab
blue crab
pinnotherid
family Majidae
Majidae
Cancridae
family Cancridae
family Paguridae
Paguridae
brachyuran
stone crab
menippid
grapsid
robber crab
macrophthalmid
river crab
rangoon
yellowline arrow crab
pseudothelphusid
cancrid
geryonid
lithodid
green crab
crablike
spiny spider crab
hippid
calling crab
spinous spider crab
Menippe mercenaria
rock crab
family Lithodidae