《英文msh词典》Astacoidea
[主题词] Astacoidea
[同义词] Astacus
[同义词] Crayfish
[同义词] Procambarus
[英文释义] A superfamily of various freshwater CRUSTACEA,in the infraorder Astacidea,comprising the crayfish. Common genera include Astacus and Procambarus. Crayfish resemble lobsters,but are usually much smaller.