Assertion: crustacean's body | /r/HasProperty | enclosed within bivalved two-valvedshell
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Source sentences:
text: Mussel shrimp, also called seed shrimp, or ostracod, any of a widely distributed group of crustaceans belonging to the subclass Ostracoda (class Crustacea) that resemble mussels in that the body is enclosed within a bivalved (two-valved) shell.