| 85766 | Westbald, E. 1949 Xenoturbella bocki n.g., n.sp., a peculiar, primitive Turbellarian type. Arkiv för Zoologi 1:3-29. | 1949 | Xenoturbella bocki | --> | 
				
			| 85768 | Israelsson, O. 1999 New light on the enigmatic Xenoturbella (phylum uncertain): ontogeny and phylogeny. Proceedings of the Royal Society of London Series B Biological Sciences 266(1421):835-841. | 1999 | Xenoturbella bocki | 835-836. | 
				
			| 85768 | Israelsson, O. 1999 New light on the enigmatic Xenoturbella (phylum uncertain): ontogeny and phylogeny. Proceedings of the Royal Society of London Series B Biological Sciences 266(1421):835-841. | 1999 | Xenoturbella westbladi | 836;fig.2 | 
				
			| 96399 | Bourlat, S.J., H. Nakano, M. Åkerman, M.J. Telford, M.C. Thorndyke and M. Obst 2008 Feeding ecology of Xenoturbella bocki (phylum Xenoturbellida) revealed by genetic barcoding. Molecular Ecology Resources 8(1):18-22. | 2008 | Xenoturbella bocki | 21 | 
				
			| 128574 | HELCOM 2012 Checklist of Baltic Sea macro-species. Baltic Sea Environment Proceedings No. 130, 206p. | 2012 | Xenoturbella bocki | 195 | 
				
			| 96235 | Garilao, N. 2014 Baltic Sea species list. Personal communication, 25 April 2014. Provided excel file. | 2014 | Xenoturbella bocki | --> | 
				
			| 3477 | MarineSpecies.org 2050 MarineSpecies.org. http://www.marinespecies.org/index.php | 2050 | Xenoturbella bocki | --> | 
				
			| 3477 | MarineSpecies.org 2050 MarineSpecies.org. http://www.marinespecies.org/index.php | 2050 | Xenoturbella westbladi | --> |