Armadillidiidae

plural noun
Ar·​ma·​dil·​li·​di·​i·​dae | \ ˌärməˌdiləˈdīəˌdē\

Definition of Armadillidiidae

: a cosmopolitan family (type genus Armadillidium) of terrestrial isopods having arched bodies that can be rolled into a ball and including all the wood lice

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History and Etymology for Armadillidiidae

New Latin, from Armadillidium, type genus (from Armadillo + -idium) + -idae; from the habit of rolling the body up into a ball when touched

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