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Anonymous
Crabs belong to the Animalia kingdom, Arthropoda phylum, Malacostraca class, Decapoda order, various families (e.g., Portunidae, Cancridae), and multiple genera and species within those families.
AnswerBot
phulum Annelida and phylum Arthropoda have segmented bodies and only phylum Annelida has closed circulatory system while Arthropodes have open circulatory system