| author | date | title | journal / publication | Kjeldsen KU, Obst M, Nakano H, Funch P, Schramm A | 2010 | Two types of endosymbiotic bacetria in the enigmatic marine worm Xenoturbella bocki. | Appl Env Microbiol. 76: 2657–62 |
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| Xenoturbella bocki Westblad, 1949 | [with synonyms] | w | other research on this sp. |