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Sea Slater :: Sea slater () Any isopod crustacean of the genus Ligia.

Lobster :: Lobster (n.) Any large macrurous crustacean used as food, esp. those of the genus Homarus; as the American lobster (H. Americanus), and the European lobster (H. vulgaris). The Norwegian lobster (Nephrops Norvegicus) is similar in form. All these have a pair of large unequal claws. The spiny lobsters of more southern waters, belonging to Palinurus, Panulirus, and allied genera, have no large claws. The fresh-water crayfishes are sometimes called lobsters..

Slater :: Slater (n.) Any terrestrial isopod crustacean of the genus Porcellio and allied genera; a sow bug.

Post-abdomen :: Post-abdomen (n.) That part of a crustacean behind the cephalothorax; -- more commonly called abdomen.

Scaphognathite :: Scaphognathite (n.) A thin leafike appendage (the exopodite) of the second maxilla of decapod crustaceans. It serves as a pumping organ to draw the water through the gill cavity.

Anomuran :: Anomuran (a.) Irregular in the character of the tail or abdomen; as, the anomural crustaceans..

Apus :: Apus (n.) A genus of fresh-water phyllopod crustaceans. See Phyllopod.

Crustaceous :: Crustaceous (a.) Belonging to the Crustacea; crustacean.

Abdomen :: Abdomen (n.) The posterior section of the body, behind the thorax, in insects, crustaceans, and other Arthropoda..

Labrum :: Labrum (n.) An organ in insects and crustaceans covering the upper part of the mouth, and serving as an upper lip. See Illust. of Hymenoptera..

Swimming :: Swimmeret (n.) One of a series of flat, fringed, and usually bilobed, appendages, of which several pairs occur on the abdominal somites of many crustaceans. They are used as fins in swimming..

Urogastric :: Urogastric (a.) Behind the stomach; -- said of two lobes of the carapace of certain crustaceans.

Tarsus :: Tarsus (n.) The foot of an insect or a crustacean. It usually consists of form two to five joints.

Sloughing :: Sloughing (n.) The act of casting off the skin or shell, as do insects and crustaceans; ecdysis..

Intersternal :: Intersternal (a.) Between the sternal; -- said of certain membranes or parts of insects and crustaceans.

Squamellae :: Squame (n.) The scale, or exopodite, of an antenna of a crustacean..

Trichobranchia :: Trichobranchia (n.) The gill of a crustacean in which the branchial filaments are slender and cylindrical, as in the crawfishes..

Phyllobranchia :: Phyllobranchia (n.) A crustacean gill composed of lamellae.

Pleopod :: Pleopod (n.) One of the abdominal legs of a crustacean. See Illust. under Crustacea.

Astacus :: Astacus (n.) A genus of crustaceans, containing the crawfish of fresh-water lobster of Europe, and allied species of western North America. See Crawfish..

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