Astacus Astacus astacus Astacus (Bithynia) Astacus (mythology) Astacus (Acarnania) Pontastacus leptodactylus Protastacus Pontastacus pachypus Cape lobster Cambarus bartonii Austropotamobius torrentium Pseudastacus Homarus gammarus Nephrops norvegicus American lobster Galathea strigosa Tanymastix stagnalis Scyllarus arctus Palaemon serratus Praunus flexuosus Macrobrachium carcinus Crangon crangon Munida rugosa Panulirus homarus Sea of Marmara