Univalve

Definition and stakes

Portrait of Charles Lyell Charles Lyell,  Student's Elements of Geology…

“ We should often be unable to detect any signs of stratification or of successive deposition, if particular kinds of fossils did not occur here and there at certain depths in the mass. At one level, for example, univalve shells of some one or more species predominate; at another, bivalve shells; and at a third, corals; while in some formations we find layers of vegetable matter, commonly derived from land plants, separating strata. ”
Source: Wikisource

Portrait of Aristotle Aristotle,  History of Animals (Thompson)… (1910)

“ Some also are capable of motion, like the scallop, and indeed some aver that scallops can actually fly, owing to the circumstance that they often jump right out of the apparatus by means of which they are caught; others are incapable of motion and are attached fast to some external object, as is the case with the pinna. All the spiral-shaped testaceans can move and creep, and even the limpet relaxes its hold to go in quest of food. In the case of the univalves and the bivalves, the fleshy substance adheres to the shell so tenaciously that it can only be removed by an effort ”
Source: Wikisource

Edward Phillips Oppenheim,  An Amiable Charlatan — CHAPTER III (1916)

“ She's a wild, high-spirited sort of creature—is Eve. She loves the music and the rattle of life. I can't fancy her in one of those out-of-the-way, God-forsaken little mudholes you call an English village, sitting in an early-Victorian drawing-room all the afternoon, waiting for the vicar's wife to come to tea, and taking a walk before dinner for entertainment, with an umbrella and mackintosh. ”
Source: Wikisource

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