The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

• Boore, J. L. & Staton, J. L. (2002) The mitochondrial genome of the sipunculid Phascolopsis gouldii supports its association with Annelida rather than Mollusca. Molecular Biology and Evolution, 19, 127-137.
• Brusca, R. C., & Brusca G. J. (2003). Invertebrates, 2nd edition. Sunderland, Massachusetts: Sinauer.
• Butler AJ, Rees T, Beesley P, Bax NJ. 2010. Marine Biodiversity in the Australian Region. PLoS ONE 5(8): e11831. doi:10.1371/journal.pone.0011831
• Coll M, Piroddi C, Steenbeek J, Kaschner K, Ben Rais Lasram F, et al. 2010. The Biodiversity of the Mediterranean Sea: Estimates, Patterns, and Threats. PLoS ONE 5(8): e11842. doi:10.1371/journal.pone.0011842
• Cowles, D., Dyer A., & McFadden M. (2002). Key to Invertebrates Found At or Near The Rosario Beach Marine Laboratory. 2011,
• Cutler, E. B. (1995). The Sipuncula: Their Systematics, Biology, and Evolution. New York: Cornell University Press.
• Cutler, E. B. (1994) The Sipuncula. Their systematics, biology and evolution. Ithaca, N.Y.: Cornell University Press, 453 p.
• Cutler, E. B. 1994. The Sipuncula, their systematics, biology, and evolution. Cornell University Press, Ithaca, NY.
• Cutler, E. B. and P. E. Gibbs. 1985. A phylogenetic analysis of higher taxa in the phylum Sipuncula. Systematic Zoology 34:162-173.
• Cutler, Edward B. 1994. The Sipuncula: Their Systematics, Biology, and Evolution. xvii + 453
• Danovaro R, Company JB, Corinaldesi C, D'Onghia G, Galil B, et al. 2010. Deep-Sea Biodiversity in the Mediterranean Sea: The Known, the Unknown, and the Unknowable. PLoS ONE 5(8): e11832. doi:10.1371/journal.pone.0011832
• Dordel, J., Fisse F., Purschke G., & Struck T. H. (2010). Phylogenetic position of Sipuncula derived from multi-gene and phylogenomic data and its implication for the evolution of segmentation. Journal of Zoological Systematics and Evolutionary Research. 48, 197-207.
• Dordel, J., Fisse, F., Purschke, G. & Struck, T. H. (2010) Phylogenetic position of Sipuncula derived from multi-gene and phylogenomic data and its implication for the evolution of segmentation. Journal of Zoological Systematics and Evolutionary Research, 48, 197-207.
• Dunn, C. W., Hejnol, A., Matus, D. Q., Pang, K., Browne, W. E., Smith, S. A., et al. (2008) Broad phylogenomic sampling improves resolution of the animal tree of life. Nature, 452, 745-749.
• Edmonds, S. J. 2000. Phylum Sipuncula. Pages 375–400 in: Polychaetes & Allies: The Southern Synthesis. Fauna of Australia, vol. 4A, Polychaeta, Myzostomida, Pogonophora, Echiura, Sipuncula. P. L. Beesley, G.J.B. Ross, and C.J. Glasby, eds. CSIRO Publishing, Melbourne.
• Fautin D, Dalton P, Incze LS, Leong J-AC, Pautzke C, et al. 2010. An Overview of Marine Biodiversity in United States Waters. PLoS ONE 5(8): e11914. doi:10.1371/journal.pone.0011914
• Ferrier, D. and P. W. H. Holland. 2001. Sipunculan ParaHox genes. Evol. Dev. 3:263-70
• Fujikura K, Lindsay D, Kitazato H, Nishida S, Shirayama. 2010. Marine Biodiversity in Japanese Waters. PLoS ONE 5(8): e11836. doi:10.1371/journal.pone.0011836
• Gosner, K. L. (1978). A Field Guide to the Atlantic Seashore. Boston: Houghton Mifflin.
• Huang, D. Y., J.-Y. Chen, J. Vannier, and J. I. Saiz Salinas. 2004. Early Cambrian sipunculan worms from southwest China. Proceedings of the Royal Society of London Series B 271(1549):1671-1676.
• Hyman, L. (1959). The Invertebrates, volume 5, Smaller Coelomate Groups. New York: McGraw-Hill.
• Hyman, L. H. (1959) The protostomatous coelomates - Phylum Sipunculida. In: L. H. Hyman (Ed), The invertebrates: smaller coelomate groups. MacGraw-Hill Book Company, Nova Iorque, pp. 610-696.
• J. Zrzavy and S. Mihulka. 1998. Phylogeny of the Metazoa based on morphological and 18S ribosomal DNA evidence. Cladistics 14:249-285
• KennetLundin, K. and C.Schander. 2003. Epidermal ciliary ultrastructure of adult and larval sipunculids (Sipunculida). Acta Zoologica 84(2):113-119.
• Maxmena, A. B., B. F. King, E. B. Cutler and G. Giribet. 2003. Evolutionary relationships within the protostome phylum Sipuncula: a molecular analysis of ribosomal genes and histone H3 sequence data. Molecular Phylogenetics and Evolution 27(3):489-503.
• Miloslavich P, Díaz JM, Klein E, Alvarado JJ, Díaz C, et al. 2010. Marine Biodiversity in the Caribbean: Regional Estimates and Distribution Patterns. PLoS ONE 5(8): e11916. doi:10.1371/journal.pone.0011916
• Mwinyi, A., Meyer A., Bleidorn C., Lieb B., Bartolomaeus T., & Podsiadlowski L. (2009). Mitochondrial genome sequence and gene order of Sipunculus nudus give additional support for an inclusion of Sipuncula into Annelida. BMC Genomics. 10:27,
• Rice, M. E. 1985. Sipuncula: developmental evidence for phylogenetic inference. Pages 274-296 in The Origins and Relationships of Lower Invertebrates. S. C. Morris, J. D. George, R. Gibson and H. M. Platt, eds. Oxford University Press, Oxford.
• Rice, M. E. 1993. Sipuncula. Pages 238–325 in: Microscopic Anatomy of Invertebrates, Vol. 12: Onychophora, Chilopoda, and Lesser Protostomata. F. W. Harrison and M. E. Rice, eds. Wiley-Liss, New York.
• Rouse, G. W., & Pleijel F. (2007). Annelida. Zootaxa. 245-264.
• Saiz Salinas, J. I. (1993) Sipuncula (Vol. 4). Madrid: Museuo Nacional de Ciencias Naurales CSIC, 200 p.
• Schulze, A., E. B. Cutler and G. Giribet. 2005. Reconstructing the phylogeny of the Sipuncula. Hydrobiologia 535/536:277–296.
• Schulze, A., E. B. Cutler and G. Giribet. 2007. Phylogeny of sipunculan worms: A combined analysis of four gene regions and morphology. Molecular Phylogenetics and Evolution 42(1):171-192.
• Stephen, A. C. & Edmonds, S. J. (1972) The phyla Sipuncula and Echiura. London: Trustees British Mus. (Nat. Hist.), 528 p.
• Stephen, A. C. (1964) A revision of the classification of the phylum Sipuncula. Annals and Magazine of Natural History, 7, 457-462.
• Stephen, A. C., and S. J. Edmonds. 1972. The Phyla Sipuncula and Echiura. vii+528
• Struck, T. H., Schult N., Kusen T., Hickman E., Bleidorn C., McHugh D., et al. (2007). Annelid phylogeny and the status of Sipuncula and Echiura . BMC Evolutionary Biology. 7:57,
• Struck, T. H., Schult, N., Kusen, T., Hickman, E., Bleidorn, C., McHugh, D., et al. (2007) Annelid phylogeny and the status of Sipuncula and Echiura. BMC Evolutionary Biology, 7.