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gentian

(Encyclopedia) gentiangentianjĕnˈshən [key], common name for some members of the Gentianaceae, a family of widely distributed herbs, chiefly perennial and fall blooming. There are many types of…

giant African land snail

(Encyclopedia) giant African land snail, any of several species of large terrestrial snails of tropical Africa that have become agricultural pests in other regions of the world. The species include…

snail darter

(Encyclopedia) snail darter, a small, rare fish, Percina tanasi, discovered by a zoologist who was snorkeling in the Little Tennessee River upstream from the projected Tellico Dam. Dam opponents…

surfperch

(Encyclopedia) surfperch, any member of the family Embiotocidae, a large family of spiny-finned, carnivorous fishes of the perch order. Also known as seaperches and surf fish, most surfperches are…

redstart

(Encyclopedia) redstart, common name for an Old World thrush of the genus Phoenicurus, family Turdidae. A small, slender-legged songbird, it is found in woodlands, parks, and heaths. The European…

prairie dog

(Encyclopedia) prairie dog, short-tailed, ground-living rodent, genus Cynomys, of the squirrel family, closely related to the ground squirrels, chipmunks, and marmots. There are several species,…

Dinoflagellata

(Encyclopedia) dinoflagellatadinoflagellatadīˌnōflăjˌəlätˈə, –lāˈtə [key], phylum (division) of unicellular, mostly marine algae, called dinoflagellates. In some classification systems this division…

brittlestar

(Encyclopedia) brittlestar, common name for echinoderms belonging to the class Ophiuroidea. The name is derived from their habit of breaking off arms as a means of defense. New arms are easily…

weevil

(Encyclopedia) weevil, common name for certain beetles of the snout beetle family (Curculionidae), small, usually dull-colored, hard-bodied insects. The mouthparts of snout beetles are modified into…

vole

(Encyclopedia) vole, name for a large number of mouselike rodents, related to the lemmings. Most range in length from 31&fslsh;2 to 7 in. (9–18 cm) and have rounded bodies with gray or brown…