| author | date | title | journal / publication | Stach T, Schmidt-Rhaesa A, Harzsch S, Purschke G | 2015 | Xenoturbella. In: Structure and Evolution of Invertebrate Nervous Systems. | Oxford University Press, 768 pages |
|---|
| Xenoturbellidae Xenoturbella Westblad, 1949 | w | other research on this sp. |