plural noun Ar·thros·tra·ca \ärˈthrästrəkə\

Definition of Arthrostraca

in some classifications

  1. :  a division of Crustacea comprising the orders Amphipoda, Isopoda, and usually Tanaidacea in which both thorax and abdomen are segmented and there are seven pairs of thoracic appendages

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Origin and Etymology of arthrostraca

New Latin, from arthr- + -ostraca

Seen and Heard

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capable of being understood in two ways

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