Acrothoracica

plural noun
Ac·​ro·​tho·​rac·​i·​ca | \¦a-krō-thə-ˈra-si-kə\

Definition of Acrothoracica 

: a small order or suborder of barnacles that have the body surrounded by a chitinous mantle and that bore and inhabit cavities (as in mollusk shells or corals)

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First Known Use of Acrothoracica

1909, in the meaning defined above

History and Etymology for Acrothoracica

New Latin, from acr- + Thoracica

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The first known use of Acrothoracica was in 1909

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