The Family of Astacidae

In simple terms there is three genera, indigenous to the European continent, also included is one introduced species of the Cambaridae Family, Procambarus clarkii. It is widespead and considered a pest. The reason for it's inclusion is so that people using this key will be able to identify it from the native residents.

1 Astacus astacus 2 Austropotamobius pallipes 3 Austropotamobius torrentium 4 Orconectes limosus

5 Procambarus clarkii 6 Pacifastacus leniusculus 7 Astacus leptodactylus 8 Orconectes immunis