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Related to Reptantia: order Decapoda
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|Noun||1.||Reptantia - lobsters; crabs|
animal order - the order of animals
Brachyura, suborder Brachyura - an order of crustaceans (including true crabs) having a reduced abdomen folded against the ventral surface
lobster - any of several edible marine crustaceans of the families Homaridae and Nephropsidae and Palinuridae