A genus of crustaceans containing the crawfish of fresh-water lobster of Europe and allied species of western North America See Crawfish
- kind genus of this family Astacidae; old-world crayfish
- A genus of crustaceans, containing the crawfish of fresh-water lobster of European countries, and allied types of western North America. See Crawfish.
The chief cleruchies of Pericles are: Thracian Chersonese (453-452), Lemnos and Imbros, Andros, Naxos and Eretria (before 447); ' Brea in Thrace (446); Oreus (445); Amisus and Astacus in the Black Sea (after 440); Aegina (431).