17 files founds
reference:
2007 Struck TH, Schult N, Kusen T, Hickman E, Bleidorn C, McHugh D, Halanych KM. Annelid phylogeny and the status of Sipuncula and Echiura.. BMC evolutionary biology, 7: 57, doi:10.1186/1471-2148-7-57, pmid:17411434, url:http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1855331&tool=pmcentrez&rendertype=abstract