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The Separation of Post-Basicoronal Areas from the Basicoronal Plates in the Interambulacra of the Sand Dollar, Echinarachnius parma (Lamarck)
Prasert Lohavanijaya and Emery F. Swan
Vol. 129, No. 1 (Aug., 1965), pp. 167-180
Published by: Marine Biological Laboratory
Stable URL: http://www.jstor.org/stable/1539775
Page Count: 14