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