Author: Clarke, M.R., & Fitch, J.E., 1979.:
Title: Statoliths of Cenozoic teuthoid cephalopods from North America.
Description: Palaeontology, 22(2): pp. 479-511, 56 photos on 3 plates, several photos and figs. in 11 illustr. in text, refs. Plain new wrappers. Fine.

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