| 1828 | Saiz-Salinas, J.I. 1993 Sipuncula from Réunion Island (Indian Ocean). Journal of Natural History, 27:535-555. | 1993 | Nephasoma constrictum | --> | 
				
			| 1840 | Cutler, E.B. 1994 The Sipuncula. Their systematics, biology and evolution. Ithaca: Comstock publishing Associates, 433 p. | 1994 | Nephasoma constrictum | --> | 
				
			| 1785 | Cutler, E.B. and N.J. Cutler 1996 Sipuncula from the Indian Ocean and New Caledonia. Bulletin du Muséum national d'Histoire naturelle,Paris, 4e série, 18, Section A(3-4):341-365. | 1996 | Nephasoma constrictum | 345-346 | 
				
			| 429 | Hansson, H.G. 1998 NEAT (North East Atlantic Taxa): South Scandinavian marine "Aschelminth" (except Nematoda, which are treated separately and some other species poor phyla Check-List. Internet pdf Ed., http://www.tmbl.gu.se | 1998 | Nephasoma constrictum | --> | 
				
			| 1872 | Pancucci-papadopoulou, M.A., G.V.V. Murina and A. Zenetos 1999 The Phylum Sipuncula in the Mediterranean Sea. Monographs on marine sciences, Athens 2:1-109. | 1999 | Nephasoma constrictum | --> | 
				
			| 19 | Bisby, F.A., M.A. Ruggiero, K.L. Wilson, M. Cachuela-Palacio, S.W. Kimani, Y.R. Roskov, A. Soulier-Perkins and J. van Hertum 2005 Species 2000 & ITIS Catalogue of Life: 2005 Annual Checklist. CD-ROM; Species 2000: Reading, U.K. | 2005 | Nephasoma constrictum | --> | 
				
			| 85346 | Saiz-Salinas, J.I. 2010 Sipunculans. pp. 297-298 In Coll, M., et al., 2010. The biodiversity of the Mediterranean Sea: estimates, patterns, and threats. PLoS ONE 5(8):36pp. | 2010 | Nephasoma constrictum | 297 |