Assertion: lobster | /r/Synonym | malacostracan
Facets:
Source sentences:
text: Crabs, lobsters, and their relatives (Malacostraca), also known as malacostracans, are a group of crustaceans that includes crabs, lobsters, shrimp, mantis shrimp, prawns, krill, spider crabs, woodlice and many others.