| author | date | title | journal / publication | Israelsson O | 2007 | Ultrastructural aspects of the ‘statocyst’ of Xenoturbella (Deuterostomia) cast doubt on its function as a georeceptor. | Tissue Cell, 39: 171–7 |
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| Xenoturbellidae Xenoturbella Westblad, 1949 | w | other research on this sp. |