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- Annotated list of Mollusca, Tintinnidae Amphisolenia and Radiolaria collected in pumpsamples by the Amsterdam Mid North Atlantic Plankton Expeditions 1980-1983. Versl. Tech. Geg. Univ. Amsterdam 48: 1-99.
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- Clio bartletti n. sp., a fossil new to science closely related to Clio cuspidata (Gastropoda, Thecosomata). Bull. zool. Mus. Univ. Amst. 6 (15): 109-113.
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