This volume, 9A, contains the material on the euphausiaceans, amphionidaceans, and many of the decapods (dendrobranchiates, carideans, stenopodideans, astacidans, and palinurans).
This second part of volume nine of the new and updated version of the French reference contains three newly conceived chapters. They cover the infraorder Astacidea Latreille, 1802 p.p.: the marine cla
