malacostracan /ˌmæləˈkɒstrəkən/

• 1. 

  N any crustacean of the subclass or group Malacostraca, including lobsters, crabs, woodlice, sand hoppers, and opossum shrimps 软甲亚纲

• 2. 

  ADJ of, relating to, or belonging to the Malacostraca 与软甲亚纲有关的