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Mattheva, a Proposed New Class of Molluscs. By Ellis L. Yochelson. U.S. Geological Survey Professional Paper 523-B. 9 pp., 7 pl., 2 figs. U.S. Government Printing Office, Washington, D.C., 1966. Price 25 cents.
Published online by Cambridge University Press: 01 May 2009
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- Copyright © Cambridge University Press 1967