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⃛and molluscan embryogenesis

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  • Olle Israelsson

    (University of Stockholm
    Swedish Museum of Natural History)

Abstract

Xenoturbella bocki Westblad1 is a strange animal — a 2-cm-long, slowly moving ciliated bag with no anus and no organs except for a position-sensing statocyst containing flagellated statoconia2. Despite the animal's peculiarities, it has been neglected by most textbooks. I now report a study of oogenesis in X. bocki which, together with the nucleotide data of Norén and Jondelius3, contradicts earlier hypotheses as to the phylogeny of the animal and instead suggests a molluscan relationship close to or within the protobranch bivalves.

Suggested Citation

  • Olle Israelsson, 1997. "⃛and molluscan embryogenesis," Nature, Nature, vol. 390(6655), pages 32-32, November.
    • Handle: RePEc:nat:nature:v:390:y:1997:i:6655:d:10.1038_36246
    DOI: 10.1038/36246
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