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Anomoura :: Anomoura (n. pl.) A group of decapod Crustacea, of which the hermit crab in an example..

Wernerian :: Wernerian (a.) Of or pertaining to A. G. Werner, The German mineralogist and geologist, who classified minerals according to their external characters, and advocated the theory that the strata of the earth's crust were formed by depositions from water; designating, or according to, Werner's system..

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.

Tartar :: Tartar (n.) A correction which often incrusts the teeth, consisting of salivary mucus, animal matter, and phosphate of lime..

Decapoda :: Decapoda (n. pl.) The order of Crustacea which includes the shrimps, lobsters, crabs, etc..

Bite :: Bite (v. t.) To seize with the teeth, so that they enter or nip the thing seized; to lacerate, crush, or wound with the teeth; as, to bite an apple; to bite a crust; the dog bit a man..

Crump :: Crump (a.) Hard or crusty; dry baked; as, a crump loaf..

Entomostraca :: Entomostraca (n. pl.) One of the subclasses of Crustacea, including a large number of species, many of them minute. The group embraces several orders; as the Phyllopoda, Ostracoda, Copepoda, and Pectostraca. See Copepoda, Phyllopoda, and Cladocera..

Crustalogy :: Crustalogy (n.) Crustaceology.

Xylophagous :: Xylophagous (a.) Eating, boring in, or destroying, wood; -- said especially of certain insect larvae, crustaceans, and mollusks..

Scab :: Scab (n.) An incrustation over a sore, wound, vesicle, or pustule, formed by the drying up of the discharge from the diseased part..

Crustal :: Crustal (a.) Relating to a crust.

Tracheata :: Tracheata (n.pl.) An extensive division of arthropods comprising all those which breathe by tracheae, as distinguished from Crustacea, which breathe by means of branchiae..

Procrusteanizing :: Procrusteanizing (p. pr. & vb. n.) of Procrusteaniz.

Crayfish :: Crayfish (n.) Any crustacean of the family Astacidae, resembling the lobster, but smaller, and found in fresh waters. Crawfishes are esteemed very delicate food both in Europe and America. The North American species are numerous and mostly belong to the genus Cambarus. The blind crawfish of the Mammoth Cave is Cambarus pellucidus. The common European species is Astacus fluviatilis..

Exopodite :: Exopodite (n.) The external branch of the appendages of Crustacea.

Crustated :: Crustated (a.) Covered with a crust; as, crustated basalt..

Dawsonite :: Dawsonite (n.) A hydrous carbonate of alumina and soda, occuring in white, bladed crustals..

Thorax :: Thorax (n.) The second, or middle, region of the body of a crustacean, arachnid, or other articulate animal. In the case of decapod Crustacea, some writers include under the term thorax only the three segments bearing the maxillipeds; others include also the five segments bearing the legs. See Illust. in Appendix..

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..

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