Delsuc, F.; Brinkmann, H.; Chourrout, D.; Philippe, H. "Tunicates and not cephalochordates are the closest living relatives of vertebrates". Nature. 439 (7079). 2006: 965–968. Bibcode:2006Natur.439..965D. doi:10.1038/nature04336. PMID16495997.
harvard.edu
ui.adsabs.harvard.edu
Delsuc, F.; Brinkmann, H.; Chourrout, D.; Philippe, H. "Tunicates and not cephalochordates are the closest living relatives of vertebrates". Nature. 439 (7079). 2006: 965–968. Bibcode:2006Natur.439..965D. doi:10.1038/nature04336. PMID16495997.
nih.gov
ncbi.nlm.nih.gov
Delsuc, F.; Brinkmann, H.; Chourrout, D.; Philippe, H. "Tunicates and not cephalochordates are the closest living relatives of vertebrates". Nature. 439 (7079). 2006: 965–968. Bibcode:2006Natur.439..965D. doi:10.1038/nature04336. PMID16495997.