| 释义 |
ar·thros·tra·ca
\ärˈthrästrəkə\ noun plural
Usage: capitalized
Etymology: New Latin, from arthr- + -ostraca
in some classifications : 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 |