univalve

• The staple food of the inhabitants seems to be those lovely 'Venus's ears,' [17] as they are called--a flattish univalve, about as big as your hand, with a row of holes along the edge, and a lining of brilliant black mother-of-pearl. —  A Voyage in the 'Sunbeam'
• He sees the wave lines, the effect of waves on soft sand, the delicate shading of the bottom in grays innumerable; now the collar-like egg of a univalve or the sharp eye of a sole or halibut protruding from the sand. —  The California Birthday Book
• Another freshwater univalve (Paludina marginata, Michaud), not British, but common in the south of France, likewise occurs, and a peculiar variety of Cyclas amnica, which by some naturalists has been regarded as a distinct species. —  The Antiquity of Man
• There are three varieties, spiral, univalve, and bivalve In every salt-pan in the country there is a spring of water on one side. —  Missionary Travels and Researches in South Africa
• It was easy to see that the stones are thin and porous opercula, which have formed part of small univalve shells. —  Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1

Allen's Synonyms and Antonyms

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