1851, w, A Manual of the Mollusca; or, A Rudimentary Treatise of Recent and Fossil Shells Chapter Classes of the Mollusca, Themollusca are animals with soft bodies, enveloped in a muscular skin, and usually protected by a univalve or bivalve shell. ... The univalve mollusca are encephalous, or furnished with a distinct head; they have eyes and tentacula, and the mouth is armed with jaws.
Darwin Origin of Species|page=100|passage=Turning for a very brief space to animals: on the land there are some hermaphrodites, as land-mollusca and earth-worms; but these all pair.
1862, w:Arthur Lutze, Manual of Homœopathic Theory and Practice. Designed for the Use of Physicians and Families. Chapter Appendix. The Human Body, The amphibious animals are provided with special organs for the sense of smell, although a very delicate sense of smell is likewise met with among the crustacea, such as crabs, mollusca and insects.
1886, Keswal W. F. Sinclair, Notes on the Waters of Western India. Part I.—‘British Deccan and Khandesh.’, Probably frogs, crabs, mollusca, and insects form their chief diet; ...
1910, w:Frank Leverett, Comparison of North American and European Glacial Deposits, The löss fauna is largely of terrestrial mollusca, as in America, ...
1940, w, A Handbook of Rocks for Use Without the Petrographic Microscope Chapter Sedimentary Rocks Limestones, The gentle slopes are favorable to the growth of various mollusca whose hard parts contribute additional material to the growing limestones.
1964, w, Coastal Vegetation, On salt marshes, burrowing crabs, mollusca and annelids undoubtedly assist in aeration of the soil. ... One can, for example, make a study of the algae that occur on the shells of some of the larger mollusca or on barnacles.
