Of or belonging to the Brachyura,a group of crustaceans including the true crabs,characterized by a short abdomen concealed under the cephalothorax.

• 短尾亚目的短尾亚目的或属于短尾亚目的，甲壳纲动物，包括真蟹，特征是腹部很短，隐藏在头胸部下方。