Keywords: Astacus nervous system.jpg en Nervous system of European crayfish Astacus astacus 2013-10-01 15 08 57 Leitfaden für das Zoologische Praktikum 6 Aufl G Fischer Jena 1912 Kükenthal Willy Georg 1861 - 1922 PD-old Uploaded with UploadWizard Crustacean anatomy |