Dunn, C. W.; Hejnol, A.; Matus, D. Q.; Pang, K.; Browne, W. E.; Smith, S. A.; Seaver, E.; Rouse, G. W.; Obst, M. (2008). «Broad Phylogenomic Sampling Improves Resolution of the Animal Tree of Life». Nature. 452 (7188): 745–749. Bibcode:2008Natur.452..745D. PMID18322464. doi:10.1038/nature06614.CS1-vedlikehold: Flere navn: forfatterliste (link)
Budd, G. E.; Jensen, S. (2000). «A critical reappraisal of the fossil record of the bilaterian phyla». Biological Reviews of the Cambridge Philosophical Society. 75 (2): 253–95. PMID10881389. doi:10.1111/j.1469-185X.1999.tb00046.x.
Dunn, C. W.; Hejnol, A.; Matus, D. Q.; Pang, K.; Browne, W. E.; Smith, S. A.; Seaver, E.; Rouse, G. W.; Obst, M. (2008). «Broad Phylogenomic Sampling Improves Resolution of the Animal Tree of Life». Nature. 452 (7188): 745–749. Bibcode:2008Natur.452..745D. PMID18322464. doi:10.1038/nature06614.CS1-vedlikehold: Flere navn: forfatterliste (link)
nih.gov
ncbi.nlm.nih.gov
Dunn, C. W.; Hejnol, A.; Matus, D. Q.; Pang, K.; Browne, W. E.; Smith, S. A.; Seaver, E.; Rouse, G. W.; Obst, M. (2008). «Broad Phylogenomic Sampling Improves Resolution of the Animal Tree of Life». Nature. 452 (7188): 745–749. Bibcode:2008Natur.452..745D. PMID18322464. doi:10.1038/nature06614.CS1-vedlikehold: Flere navn: forfatterliste (link)
Budd, G. E.; Jensen, S. (2000). «A critical reappraisal of the fossil record of the bilaterian phyla». Biological Reviews of the Cambridge Philosophical Society. 75 (2): 253–95. PMID10881389. doi:10.1111/j.1469-185X.1999.tb00046.x.